Cushion|Lab Grown|IGI

3.10ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG811674439

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG811674439

Diamond specifications and retailer prices

From $1,786 USD
As of October 29, 2026
Save $4,714 USD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,500 USD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811674439 or 811674439. Listed at 16 retailers as of October 27, 2026, with prices from $1,786 to $6,500, a $4,714 spread on the same certified stone. Taylor and Hart lists it at $6,500. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811674439
Dimensions11.05 × 7.34 × 4.58 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.05 mm7.34 mm3.10 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811674439
Side View
Table 54.0%Crown 41.5°Girdle: MED-STKPavilion 35°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: $2,622 USD|Low: $1,786 USD|High: $6,997 USD|Avg: $3,840 USD|-12.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Taylor and Hart
October 29, 2026
Retailer 2$1,786 USD
Retailer 3$1,851 USD
Retailer 14$2,020 USD
Retailer 9$2,049 USD
Retailer 5$2,130 USD
Retailer 1$2,622 USD
Retailer 11$2,645 USD
Retailer 4$3,267 USD
Retailer 12$4,186 USD
Retailer 8$4,297 USD
Retailer 6$4,465 USD
Retailer 15$4,987 USD
Retailer 10$5,292 USD
Retailer 13$5,646 USD
Retailer 7$6,189 USD
Taylor and Hart$6,500 USD

42 data points across 16 retailers

16 retailers$1,786 USD to $6,500 USD

A
Cheapest Retailer
-
$1,786 USD
Final sale: no returns
Retailer 2
-
$1,851 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$2,020 USD
View
A
Retailer 4
-
$2,049 USD
£1,613 GBP
View
A
Retailer 5
-
$2,130 USD
View
A
Retailer 6
-
$2,622 USD
£2,064 GBP
View
A
Retailer 7
-
$2,645 USD
View
A
Retailer 8
-
$3,267 USD
View
Retailer 9
-
$4,186 USD
A$6,440 AUD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$4,297 USD
ZAR 69,424 ZAR
View
B+
Retailer 11
-
$4,465 USD
£3,516 GBP
View
B+
Retailer 12
-
$4,987 USD
View
B+
Retailer 13
-
$5,292 USD
£4,167 GBP
View
B+
Retailer 14
-
$5,646 USD
View
B+
Retailer 15
-
$6,189 USD
SGD 8,363 SGD
View
Most Expensive
B+
Taylor and Hart
4F0QWPP · Oct 27
$6,500 USD
View
15 more retailers have this diamond
Prices start from $1,786 USDSave up to $4,714 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
3.10ct Cushion
$1,786 USD