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Asscher|Lab Grown|IGI

2.51ct F SI1 Asscher Lab Grown Diamond

ID • F/SI1 • IGI LG610343166

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG610343166

Diamond specifications and retailer prices

From $297 USD
As of October 27, 2026
Save $2,333 USD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,670 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.51ct lab-grown asscher diamond

This 2.51ct lab-grown asscher sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG610343166 or 610343166. Listed at 10 retailers as of October 27, 2026, with a 786% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.51
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610343166
Dimensions7.50 × 7.43 × 5.01 mm
L/W Ratio1.01
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.50 mm7.43 mm2.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610343166
Side View
Table 64.0%Crown 38.1°Girdle: MediumPavilion 41.7°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,670 USD|Low: $297 USD|High: $3,780 USD|Avg: $1,608 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 2$297 USD
Retailer 10$525 USD
Retailer 8$602 USD
Retailer 3$831 USD
Retailer 5$1,130 USD
Retailer 11$1,148 USD
Retailer 6$1,305 USD
Retailer 12$1,499 USD
Retailer 7$1,629 USD
Retailer 4$1,987 USD
Retailer 9$2,630 USD
Brilliant Earth$3,670 USD

15 data points across 12 retailers

10 retailers$297 USD to $2,630 USD

A
Cheapest Retailer
-
$297 USD
Retailer 2
-
$525 USD
View
Price last confirmed 6 days ago
Retailer 3
-
$602 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$1,130 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$1,148 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$1,305 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,563 USD
£1,231 GBP
View
Retailer 8
-
$1,629 USD
£1,283 GBP
View
Price last confirmed 7 days ago
B
Retailer 9
-
$2,630 USD
View
Most Expensive
Brilliant Earth
8708943Y · Oct 26
$3,670 USD
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $297 USDSave up to $2,333 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
2.51ct Asscher
$297 USD