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Round|Lab Grown|IGI

2.61ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG737543677

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737543677

Diamond specifications and retailer prices

From $324 USD
As of October 29, 2026
Save $2,986 USD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,310 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.61ct lab-grown round diamond

This 2.61ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG737543677 or 737543677. Listed at 24 retailers as of October 29, 2026, with prices from $324 to $3,310, a $2,986 spread on the same certified stone. Brilliant Earth lists it at $3,310. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.61
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737543677
Dimensions8.81 × 8.78 × 5.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.81 mm8.78 mm2.61 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737543677
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.7%

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: $3,310 USD|Low: $324 USD|High: $3,870 USD|Avg: $978 USD|-14.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$324 USD
Retailer 5$361 USD
Retailer 3$401 USD
Retailer 11$401 USD
Retailer 2$540 USD
Retailer 8$610 USD
Retailer 7$637 USD
Retailer 10$688 USD
Retailer 6$715 USD
Retailer 4$777 USD
Retailer 12$994 USD
Retailer 9$1,617 USD
Brilliant Earth$3,310 USD

42 data points across 13 retailers

24 retailers$324 USD to $3,310 USD

Retailer 1
-
$324 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$324 USD
View
A
Retailer 3
-
$361 USD
View
Final sale: no returns
Retailer 4
-
$375 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
$375 USD
View
Retailer 6
-
$401 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$401 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$401 USD
View
A
Retailer 9
-
$401 USD
View
B+
Retailer 10
-
$540 USD
View
A
Retailer 11
-
$610 USD
View
A
Retailer 12
-
$637 USD
€607 EUR
View
A
Retailer 13
-
$688 USD
A$1,058 AUD
View
A
Retailer 14
-
$715 USD
£563 GBP
View
A
Retailer 15
-
$777 USD
View
B+
Retailer 16
-
$994 USD
View
B+
Retailer 17
-
$1,049 USD
View
Retailer 18
-
$1,078 USD
View
Price last confirmed 40 days ago
B
Retailer 19
-
$1,290 USD
View
B
Retailer 20
-
$1,290 USD
View
Retailer 21
-
$1,290 USD
View
Price last confirmed 25 days ago
B+
Retailer 22
-
$1,334 USD
View
B
Retailer 23
-
$1,617 USD
£1,273 GBP
View
Most Expensive
B
Brilliant Earth
18450841A · Oct 31
$3,310 USD
View
23 more retailers have this diamond
Prices start from $324 USDSave up to $2,986 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
2.61ct Round
$324 USD