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Radiant|Lab Grown|IGI

3.15ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG821651330

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

Certificate IGI LG821651330

Diamond specifications and retailer prices

From $905 AUD
$636 USD
As of October 29, 2026
Save $4,298 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,203 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.15ct lab-grown radiant diamond

This 3.15ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821651330 or 821651330. Listed at 17 retailers as of October 28, 2026, with prices from $905 to $5,203, a $4,298 spread on the same certified stone. Rare Carat lists it at $5,203. 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

3.15
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821651330
Dimensions9.86 × 7.11 × 4.86 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.86 mm7.11 mm3.15 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821651330
Side View
Table 67.0%Crown 41.6°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 68.4%

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: $5,203 AUD|Low: $905 AUD|High: $5,203 AUD|Avg: $2,589 AUD|+1.5%
Rare Carat
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 30, 2026
Retailer 16$905 AUD
Retailer 12$1,189 AUD
Retailer 5$1,350 AUD
Retailer 11$1,555 AUD
Retailer 7$1,713 AUD
Retailer 9$2,116 AUD
Retailer 6$2,165 AUD
Retailer 8$2,497 AUD
Retailer 13$2,693 AUD
Retailer 14$2,907 AUD
Retailer 2$3,032 AUD
Retailer 15$3,247 AUD
Retailer 10$3,308 AUD
Retailer 3$3,999 AUD
Retailer 4$4,375 AUD
Rare Carat$5,203 AUD

21 data points across 16 retailers

17 retailers$905 AUD to $5,203 AUD

A
Cheapest Retailer
-
$905 AUD
$636 USD
Final sale: no returns
A
Retailer 2
-
$1,189 AUD
$835 USD
View
A
Retailer 3
-
$1,350 AUD
$948 USD
View
A
Retailer 4
-
$1,555 AUD
£860 GBP
View
Retailer 5
-
$1,713 AUD
€1,146 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$2,116 AUD
View
A
Retailer 7
-
$2,165 AUD
ZAR 24,571 ZAR
View
A
Retailer 8
-
$2,497 AUD
$1,754 USD
View
A
Retailer 9
-
$2,693 AUD
$1,892 USD
View
B+
Retailer 10
-
$2,907 AUD
£1,608 GBP
View
B+
Retailer 11
-
$3,032 AUD
$2,130 USD
View
B+
Retailer 12
-
$3,247 AUD
$2,281 USD
View
B+
Retailer 13
-
$3,308 AUD
$2,324 USD
View
B+
Retailer 14
-
$3,999 AUD
SGD 3,796 SGD
View
Retailer 15
-
$4,194 AUD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$4,375 AUD
£2,420 GBP
View
Most Expensive
B
Rare Carat
CN215-15A · Oct 28
$5,203 AUD
$3,655 USD
View
16 more retailers have this diamond
Prices start from $905 AUDSave up to $4,298 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
3.15ct Radiant
$905 AUD