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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 $2,543 AUD
$1,786 USD
As of October 29, 2026
Save $6,712 AUD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,254 AUD at Taylor and Hart · As of October 30, 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 29, 2026, with prices from $2,543 to $9,254, a $6,712 spread on the same certified stone. Taylor and Hart lists it at $9,254. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,733 AUD|Low: $2,543 AUD|High: $9,961 AUD|Avg: $5,446 AUD|-12.7%
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 31, 2026
Retailer 2$2,543 AUD
Retailer 3$2,635 AUD
Retailer 14$2,876 AUD
Retailer 8$2,908 AUD
Retailer 5$3,032 AUD
Retailer 1$3,733 AUD
Retailer 11$3,765 AUD
Retailer 4$4,651 AUD
Retailer 12$5,959 AUD
Retailer 9$6,118 AUD
Retailer 6$6,357 AUD
Retailer 15$7,099 AUD
Retailer 10$7,534 AUD
Retailer 13$8,038 AUD
Retailer 7$8,810 AUD
Taylor and Hart$9,254 AUD

43 data points across 16 retailers

16 retailers$2,543 AUD to $9,254 AUD

A
Cheapest Retailer
-
$2,543 AUD
$1,786 USD
Final sale: no returns
Retailer 2
-
$2,635 AUD
$1,851 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$2,876 AUD
$2,020 USD
View
A
Retailer 4
-
$2,908 AUD
£1,609 GBP
View
A
Retailer 5
-
$3,032 AUD
$2,130 USD
View
A
Retailer 6
-
$3,733 AUD
£2,065 GBP
View
A
Retailer 7
-
$3,765 AUD
$2,645 USD
View
A
Retailer 8
-
$4,651 AUD
$3,267 USD
View
Retailer 9
-
$5,959 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$6,118 AUD
ZAR 69,424 ZAR
View
B+
Retailer 11
-
$6,357 AUD
£3,516 GBP
View
B+
Retailer 12
-
$7,099 AUD
$4,987 USD
View
B+
Retailer 13
-
$7,534 AUD
£4,167 GBP
View
B+
Retailer 14
-
$8,038 AUD
$5,646 USD
View
B+
Retailer 15
-
$8,810 AUD
SGD 8,363 SGD
View
Most Expensive
B+
Taylor and Hart
4F0QWPP · Oct 30
$9,254 AUD
$6,500 USD
View
15 more retailers have this diamond
Prices start from $2,543 AUDSave up to $6,712 AUD

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
$2,543 AUD