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Radiant|Lab Grown|IGI

15.00ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG770634602

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

Certificate IGI LG770634602

Diamond specifications and retailer prices

From $7,581 AUD
$5,325 USD
As of October 30, 2026
Save $38,456 AUD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $48,915 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15ct lab-grown radiant diamond

This 15ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770634602 or 770634602. Listed at 19 retailers as of October 30, 2026, with a 507% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

15.00
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770634602
Dimensions17.49 × 12.02 × 8.20 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.49 mm12.02 mm15.00 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770634602
Side View
Table 68.0%Crown 47.3°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 68.2%

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: Oct 30
Current: $48,915 AUD|Low: $7,277 AUD|High: $48,915 AUD|Avg: $15,225 AUD
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
November 1, 2026
Retailer 16$7,581 AUD
Retailer 15$7,945 AUD
Retailer 12$8,730 AUD
Retailer 3$8,794 AUD
Retailer 10$8,798 AUD
Retailer 14$10,123 AUD
Retailer 4$10,532 AUD
Retailer 13$11,026 AUD
Retailer 2$11,180 AUD
Retailer 5$12,475 AUD
Retailer 9$13,743 AUD
Retailer 11$14,575 AUD
Retailer 7$22,977 AUD
Retailer 8$24,456 AUD
Retailer 6$31,299 AUD
Brilliant Earth$48,915 AUD

44 data points across 16 retailers

19 retailers$7,581 AUD to $46,036 AUD

A
Cheapest Retailer
-
$7,581 AUD
$5,325 USD
A
Retailer 2
-
$7,945 AUD
$5,581 USD
View
A
Retailer 3
-
$8,730 AUD
$6,132 USD
View
Final sale: no returns
A
Retailer 4
-
$8,794 AUD
$6,177 USD
View
A
Retailer 5
-
$8,798 AUD
$6,180 USD
View
A
Retailer 6
-
$10,123 AUD
$7,111 USD
View
B+
Retailer 7
-
$10,532 AUD
HK$57,800 HKD
View
Retailer 8
-
$11,026 AUD
$7,745 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$11,180 AUD
£6,184 GBP
View
B+
Retailer 10
-
$12,475 AUD
£6,900 GBP
View
B+
Retailer 11
-
$13,353 AUD
$9,380 USD
View
B+
Retailer 12
-
$13,743 AUD
€9,194 EUR
View
B+
Retailer 13
-
$14,575 AUD
$10,238 USD
View
B
Retailer 14
-
$22,977 AUD
$16,140 USD
View
B
Retailer 15
-
$23,379 AUD
$16,423 USD
View
B
Retailer 16
-
$24,456 AUD
$17,179 USD
View
B
Retailer 17
-
$31,299 AUD
$21,986 USD
View
B
Retailer 18
-
$46,036 AUD
$32,338 USD
View
Most Expensive
Brilliant Earth
17462652A · Oct 31
$48,915 AUD
$34,360 USD
View
Price under review
18 more retailers have this diamond
Prices start from $7,581 AUDSave up to $38,456 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
15.00ct Radiant
$7,581 AUD