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Round|Lab Grown|IGI

3.89ct D VS2 Round Lab Grown Diamond

ID • D/VS2 • IGI LG784634663

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784634663

Diamond specifications and retailer prices

From $680 AUD
$478 USD
As of October 29, 2026
Save $6,025 AUD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,705 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.89ct lab-grown round diamond

This 3.89ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784634663 or 784634663. Listed at 13 retailers as of October 29, 2026, with prices from $680 to $6,705, a $6,025 spread on the same certified stone. Brilliant Earth lists it at $6,705. 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

3.89
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784634663
Dimensions10.00 × 10.05 × 6.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.00 mm10.05 mm3.89 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784634663
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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 29
Current: $6,705 AUD|Low: $678 AUD|High: $6,919 AUD|Avg: $2,613 AUD|-3.1%
Brilliant Earth
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
Retailer 16
October 29, 2026
Retailer 5$680 AUD
Retailer 14$763 AUD
Retailer 10$1,046 AUD
Retailer 12$1,094 AUD
Retailer 2$1,281 AUD
Retailer 16$1,421 AUD
Retailer 6$1,450 AUD
Retailer 11$2,271 AUD
Retailer 3$2,715 AUD
Retailer 15$2,913 AUD
Retailer 8$3,042 AUD
Retailer 9$3,119 AUD
Retailer 4$3,386 AUD
Retailer 7$3,444 AUD
Retailer 13$3,798 AUD
Brilliant Earth$6,705 AUD

30 data points across 16 retailers

13 retailers$680 AUD to $6,705 AUD

A
Cheapest Retailer
-
$680 AUD
$478 USD
A
Retailer 2
-
$763 AUD
$536 USD
View
A
Retailer 3
-
$1,046 AUD
$735 USD
View
Retailer 4
-
$1,094 AUD
£605 GBP
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,281 AUD
€857 EUR
View
A
Retailer 6
-
$1,421 AUD
$998 USD
View
B+
Retailer 7
-
$2,271 AUD
$1,595 USD
View
B+
Retailer 8
-
$2,715 AUD
$1,907 USD
View
B+
Retailer 9
-
$2,913 AUD
$2,046 USD
View
B+
Retailer 10
-
$3,119 AUD
£1,725 GBP
View
Retailer 11
-
$3,386 AUD
SGD 3,214 SGD
View
Price last confirmed 17 days ago
B
Retailer 12
-
$3,798 AUD
$2,668 USD
View
Most Expensive
B
Brilliant Earth
20804598A · Oct 29
$6,705 AUD
$4,710 USD
View
12 more retailers have this diamond
Prices start from $680 AUDSave up to $6,025 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
3.89ct Round
$680 AUD