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Cushion|Lab Grown|IGI

3.71ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG800615180

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800615180

Diamond specifications and retailer prices

From $1,667 AUD
£920 GBP
As of November 2, 2026
Save $3,748 AUD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,415 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 3.71ct lab-grown cushion diamond

This 3.71ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800615180 or 800615180. Listed at 13 retailers as of October 29, 2026, with prices from $1,667 to $5,415, a $3,748 spread on the same certified stone. MOH London lists it at $5,415. 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

3.71
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800615180
Dimensions11.42 × 7.34 × 5.02 mm
L/W Ratio1.56
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm7.34 mm3.71 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800615180
Side View
Table 66.0%Crown 39.8°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 68.4%

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: Nov 2
Current: $5,415 AUD|Low: $1,437 AUD|High: $5,456 AUD|Avg: $3,364 AUD|-0.6%
MOH London
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 2, 2026
Retailer 12$1,437 AUD
Retailer 2$1,667 AUD
Retailer 8$1,684 AUD
Retailer 10$2,055 AUD
Retailer 6$2,209 AUD
Retailer 7$3,244 AUD
Retailer 9$3,336 AUD
Retailer 13$3,597 AUD
Retailer 3$3,958 AUD
Retailer 11$4,495 AUD
Retailer 4$4,830 AUD
Retailer 5$4,984 AUD
MOH London$5,415 AUD

39 data points across 13 retailers

13 retailers$1,667 AUD to $5,415 AUD

Retailer 1
-
$1,437 AUD
$1,007 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$1,667 AUD
£920 GBP
View
A
Retailer 3
-
$1,684 AUD
$1,180 USD
View
A
Retailer 4
-
$2,055 AUD
$1,440 USD
View
A
Retailer 5
-
$2,209 AUD
£1,219 GBP
View
B+
Retailer 6
-
$3,244 AUD
View
B+
Retailer 7
-
$3,336 AUD
ZAR 37,767 ZAR
View
B+
Retailer 8
-
$3,597 AUD
$2,521 USD
View
B+
Retailer 9
-
$3,958 AUD
£2,184 GBP
View
B
Retailer 10
-
$4,495 AUD
$3,150 USD
View
B
Retailer 11
-
$4,830 AUD
SGD 4,574 SGD
View
B
Retailer 12
-
$4,984 AUD
$3,493 USD
View
Most Expensive
B
MOH London
LG800615180 · Oct 29
$5,415 AUD
£2,988 GBP
View
12 more retailers have this diamond
Prices start from $1,667 AUDSave up to $3,748 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
3.71ct Cushion
$1,667 AUD