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Round|Lab Grown|IGI

1.61ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG675528190

Shape and cutting style on the report: Round brilliant

Certificate IGI LG675528190

Diamond specifications and retailer prices

From $295 USD
As of November 1, 2026
Save $1,855 USD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,150 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.61ct lab-grown round diamond

This 1.61ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG675528190 or 675528190. Listed at 25 retailers as of November 1, 2026, with prices from $295 to $2,150, a $1,855 spread on the same certified stone. Brilliant Earth lists it at $2,150. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675528190
Dimensions7.66 × 7.61 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
7.66 mm7.61 mm1.61 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675528190
Side View
Table 59.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,150 USD|Low: $295 USD|High: $3,410 USD|Avg: $828 USD|-37.0%
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 10$295 USD
Retailer 7$330 USD
Retailer 4$342 USD
Retailer 6$365 USD
Retailer 22$365 USD
Retailer 13$386 USD
Retailer 8$410 USD
Retailer 9$492 USD
Retailer 19$495 USD
Retailer 2$590 USD
Retailer 5$629 USD
Retailer 17$630 USD
Retailer 16$640 USD
Retailer 21$850 USD
Retailer 20$883 USD
Retailer 11$957 USD
Retailer 3$1,174 USD
Retailer 14$1,174 USD
Retailer 12$1,222 USD
Retailer 15$1,404 USD
Retailer 18$1,463 USD
Brilliant Earth$2,150 USD

27 data points across 22 retailers

25 retailers$295 USD to $2,150 USD

A
Cheapest Retailer
-
$295 USD
A
Retailer 2
-
$330 USD
View
Final sale: no returns
A
Retailer 3
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$342 USD
View
A
Retailer 4
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$365 USD
View
Retailer 5
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$365 USD
View
Price last confirmed 8 days ago
A
Retailer 6
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$386 USD
£304 GBP
View
A
Retailer 7
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$410 USD
HK$3,200 HKD
View
A
Retailer 8
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$492 USD
View
A
Retailer 9
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$495 USD
View
A
Retailer 10
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$590 USD
€562 EUR
View
A
Retailer 11
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$629 USD
View
A
Retailer 12
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$630 USD
ZAR 10,173 ZAR
View
A
Retailer 13
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$640 USD
£504 GBP
View
A
Retailer 14
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$850 USD
A$1,307 AUD
View
B+
Retailer 15
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$883 USD
View
B+
Retailer 16
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$942 USD
View
B+
Retailer 17
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$957 USD
View
B+
Retailer 18
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$1,174 USD
View
B+
Retailer 19
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$1,174 USD
SGD 1,587 SGD
View
B+
Retailer 20
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$1,222 USD
View
B+
Retailer 21
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$1,282 USD
View
B+
Retailer 22
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$1,404 USD
View
B+
Retailer 23
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$1,463 USD
£1,152 GBP
View
Retailer 24
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$1,990 USD
View
Most Expensive
B
Brilliant Earth
14066407A · Nov 2
$2,150 USD
View
24 more retailers have this diamond
Prices start from $295 USDSave up to $1,855 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.61ct Round
$295 USD