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Radiant|Lab Grown|IGI

3.99ct E VVS2 Radiant Lab Grown Diamond

ID • E/VVS2 • IGI LG837684145

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG837684145

Diamond specifications and retailer prices

From $1,566 AUD
$1,100 USD
As of October 29, 2026
Save $10,946 AUD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,512 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.99ct lab-grown radiant diamond

This 3.99ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837684145 or 837684145. Listed at 16 retailers as of October 29, 2026, with prices from $1,566 to $12,512, a $10,946 spread on the same certified stone. Brilliant Earth lists it at $12,512. 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

3.99
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837684145
Dimensions11.22 × 7.67 × 5.30 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.22 mm7.67 mm3.99 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837684145
Side View
Table 69.0%Crown 47°Girdle: MediumPavilion 36°Culet: NoneDepth 69.1%

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: $12,512 AUD|Low: $1,388 AUD|High: $12,981 AUD|Avg: $4,970 AUD|-3.6%
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
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Retailer 17
Retailer 18
October 30, 2026
Retailer 17$1,566 AUD
Retailer 2$1,596 AUD
Retailer 4$1,776 AUD
Retailer 9$1,864 AUD
Retailer 18$2,103 AUD
Retailer 11$2,443 AUD
Retailer 6$2,983 AUD
Retailer 3$3,017 AUD
Retailer 10$4,021 AUD
Retailer 16$4,670 AUD
Retailer 13$5,038 AUD
Retailer 15$5,191 AUD
Retailer 5$5,565 AUD
Retailer 12$6,516 AUD
Retailer 14$8,325 AUD
Retailer 8$9,266 AUD
Retailer 7$12,263 AUD
Brilliant Earth$12,512 AUD

27 data points across 18 retailers

16 retailers$1,566 AUD to $12,512 AUD

A
Cheapest Retailer
-
$1,566 AUD
$1,100 USD
A
Retailer 2
-
$1,596 AUD
£883 GBP
View
A
Retailer 3
-
$1,776 AUD
$1,248 USD
View
A
Retailer 4
-
$2,103 AUD
€1,407 EUR
View
A
Retailer 5
-
$2,443 AUD
$1,716 USD
View
A
Retailer 6
-
$2,983 AUD
$2,096 USD
View
Retailer 7
-
$3,017 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,670 AUD
$3,281 USD
View
B+
Retailer 9
-
$5,038 AUD
£2,787 GBP
View
B+
Retailer 10
-
$5,191 AUD
SGD 4,928 SGD
View
Retailer 11
-
$5,565 AUD
$3,910 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$6,516 AUD
$4,578 USD
View
B
Retailer 13
-
$8,325 AUD
$5,849 USD
View
B
Retailer 14
-
$9,266 AUD
$6,510 USD
View
B
Retailer 15
-
$12,263 AUD
$8,615 USD
View
Most Expensive
B
Brilliant Earth
21816601Y · Oct 29
$12,512 AUD
$8,790 USD
View
15 more retailers have this diamond
Prices start from $1,566 AUDSave up to $10,946 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
3.99ct Radiant
$1,566 AUD