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Round|Lab Grown|IGI

1.61ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG657463112

Shape and cutting style on the report: Round brilliant

Certificate IGI LG657463112

Diamond specifications and retailer prices

From $407 USD
As of October 29, 2026
Save $2,263 USD (85%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $2,670 USD at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG657463112 or 657463112. Listed at 29 retailers as of October 29, 2026, with prices from $407 to $2,670, a $2,263 spread on the same certified stone. Brilliant Earth lists it at $2,670. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657463112
Dimensions7.57 × 7.62 × 4.55 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
Top View
7.57 mm7.62 mm1.61 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657463112
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 40.4°Culet: NoneDepth 59.9%

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: Oct 29
Current: $2,670 USD|Low: $397 USD|High: $3,110 USD|Avg: $1,091 USD|-14.1%
Brilliant Earth
Retailer 2
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Retailer 25
November 1, 2026
Retailer 9$407 USD
Retailer 19$455 USD
Retailer 4$456 USD
Retailer 3$505 USD
Retailer 7$505 USD
Retailer 5$550 USD
Retailer 2$646 USD
Retailer 14$678 USD
Retailer 21$680 USD
Retailer 12$751 USD
Retailer 18$792 USD
Retailer 20$794 USD
Retailer 13$828 USD
Retailer 25$868 USD
Retailer 10$1,105 USD
Retailer 6$1,142 USD
Retailer 23$1,176 USD
Retailer 16$1,605 USD
Retailer 8$1,623 USD
Retailer 11$1,658 USD
Retailer 22$1,830 USD
Retailer 15$1,855 USD
Retailer 17$1,890 USD
Retailer 24$1,984 USD
Brilliant Earth$2,670 USD

25 data points across 25 retailers

29 retailers$407 USD to $2,670 USD

A
Cheapest Retailer
-
$407 USD
A
Retailer 2
-
$455 USD
View
Final sale: no returns
A
Retailer 3
-
$456 USD
View
A
Retailer 4
-
$505 USD
View
A
Retailer 5
-
$505 USD
View
Retailer 6
-
$505 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$550 USD
HK$4,300 HKD
View
A
Retailer 8
-
$646 USD
£509 GBP
View
A
Retailer 9
-
$678 USD
View
A
Retailer 10
-
$680 USD
View
A
Retailer 11
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$751 USD
View
A
Retailer 12
-
$792 USD
A$1,218 AUD
View
A
Retailer 13
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$794 USD
€756 EUR
View
A
Retailer 14
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$828 USD
£652 GBP
View
A
Retailer 15
-
$868 USD
ZAR 14,015 ZAR
View
B+
Retailer 16
-
$1,105 USD
View
B+
Retailer 17
-
$1,142 USD
View
B+
Retailer 18
-
$1,176 USD
A$1,809 AUD
View
B+
Retailer 19
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$1,215 USD
View
B+
Retailer 20
-
$1,605 USD
SGD 2,169 SGD
View
B+
Retailer 21
-
$1,623 USD
View
B+
Retailer 22
-
$1,658 USD
View
B
Retailer 23
-
$1,757 USD
View
B+
Retailer 24
-
$1,830 USD
A$2,816 AUD
View
B
Retailer 25
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$1,855 USD
View
B
Retailer 26
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$1,890 USD
View
B
Retailer 27
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$1,984 USD
£1,562 GBP
View
Retailer 28
-
$2,525 USD
View
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
14066890A · Oct 31
$2,670 USD
View
28 more retailers have this diamond
Prices start from $407 USDSave up to $2,263 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
$407 USD