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Cushion|Lab Grown|IGI

3.90ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG800686716

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800686716

Diamond specifications and retailer prices

From $755 AUD
$530 USD
As of October 31, 2026
Save $5,653 AUD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,408 AUD at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 3.9ct lab-grown cushion diamond

This 3.9ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800686716 or 800686716. Listed at 5 retailers as of October 31, 2026, with prices from $755 to $6,408, a $5,653 spread on the same certified stone. Frank Darling lists it at $6,408. 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

3.90
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800686716
Dimensions10.76 × 8.28 × 5.50 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.76 mm8.28 mm3.90 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800686716
Side View
Table 61.0%Crown 34.3°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 66.4%

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 31
Current: $6,408 AUD|Low: $755 AUD|High: $6,408 AUD|Avg: $2,666 AUD|-0.0%
Frank Darling
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$755 AUD
Retailer 5$1,058 AUD
Retailer 9$1,231 AUD
Retailer 10$1,345 AUD
Retailer 8$1,374 AUD
Retailer 3$1,694 AUD
Retailer 4$2,219 AUD
Retailer 11$2,638 AUD
Retailer 7$2,776 AUD
Retailer 6$4,164 AUD
Retailer 12$5,637 AUD
Frank Darling$6,408 AUD

9 data points across 12 retailers

5 retailers$755 AUD to $6,408 AUD

A
Cheapest Retailer
-
$755 AUD
$530 USD
Final sale: no returns
B+
Retailer 2
-
$1,058 AUD
$743 USD
View
Retailer 3
-
$2,776 AUD
$1,950 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$4,164 AUD
$2,925 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Frank Darling
100761190139KD · Nov 1
$6,408 AUD
$4,501 USD
View
4 more retailers have this diamond
Prices start from $755 AUDSave up to $5,653 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
3.90ct Cushion
$755 AUD