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Round|Lab Grown|IGI

1.61ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG818641454

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818641454

Diamond specifications and retailer prices

From $364 USD
As of October 29, 2026
Save $2,876 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,240 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG818641454 or 818641454. Listed at 17 retailers as of October 29, 2026, with prices from $364 to $3,240, a $2,876 spread on the same certified stone. Do Amore Diamonds lists it at $3,240. 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 angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818641454
Dimensions7.57 × 7.53 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
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 mm7.53 mm1.61 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818641454
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.8%

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: $3,240 USD|Low: $347 USD|High: $4,800 USD|Avg: $1,365 USD|-1.5%
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 1, 2026
Retailer 3$364 USD
Retailer 17$423 USD
Retailer 10$639 USD
Retailer 4$724 USD
Retailer 12$725 USD
Retailer 16$751 USD
Retailer 7$805 USD
Retailer 11$813 USD
Retailer 8$867 USD
Retailer 14$1,162 USD
Retailer 5$1,325 USD
Retailer 6$1,604 USD
Retailer 9$1,873 USD
Retailer 15$1,960 USD
Retailer 2$2,315 USD
Retailer 13$2,660 USD
Do Amore Diamonds$3,240 USD

41 data points across 17 retailers

17 retailers$364 USD to $3,240 USD

A
Cheapest Retailer
-
$364 USD
A
Retailer 2
-
$423 USD
View
A
Retailer 3
-
$639 USD
£503 GBP
View
A
Retailer 4
-
$676 USD
View
A
Retailer 5
-
$724 USD
View
A
Retailer 6
-
$725 USD
View
A
Retailer 7
-
$805 USD
A$1,238 AUD
View
A
Retailer 8
-
$813 USD
€774 EUR
View
A
Retailer 9
-
$867 USD
View
B+
Retailer 10
-
$1,162 USD
A$1,787 AUD
View
B+
Retailer 11
-
$1,325 USD
View
B+
Retailer 12
-
$1,604 USD
View
Retailer 13
-
$1,873 USD
A$2,882 AUD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$1,960 USD
£1,543 GBP
View
B+
Retailer 15
-
$2,315 USD
View
B
Retailer 16
-
$2,660 USD
View
Most Expensive
B
Do Amore Diamonds
27-E1EBC7A1F · Nov 1
$3,240 USD
View
16 more retailers have this diamond
Prices start from $364 USDSave up to $2,876 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
$364 USD