Radiant|Lab Grown|IGI

12.57ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG722555615

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

Certificate IGI LG722555615

Diamond specifications and retailer prices

From $5,307 SGD
$4,151 USD
As of November 1, 2026
Save $16,251 SGD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $35,450 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 12.57ct lab-grown radiant diamond

This 12.57ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG722555615 or 722555615. Listed at 20 retailers as of October 31, 2026, with a 306% 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

12.57
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.8°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722555615
Dimensions17.13 × 11.02 × 7.06 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.13 mm11.02 mm12.57 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722555615
Side View
Table 62.0%Crown 50.8°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 64.1%

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: Nov 1
Current: $35,450 SGD|Low: $5,307 SGD|High: $35,450 SGD|Avg: $10,448 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 4$5,307 SGD
Retailer 7$5,497 SGD
Retailer 13$5,497 SGD
Retailer 3$5,861 SGD
Retailer 10$7,434 SGD
Retailer 11$7,839 SGD
Retailer 2$7,910 SGD
Retailer 9$8,201 SGD
Retailer 5$8,514 SGD
Retailer 8$9,392 SGD
Retailer 6$11,427 SGD
Retailer 12$13,908 SGD
Do Amore Diamonds$35,450 SGD

42 data points across 13 retailers

20 retailers$5,307 SGD to $21,558 SGD

Retailer 1
-
$4,550 SGD
$3,559 USD
Price last confirmed 30 days ago
Retailer 2
-
$5,156 SGD
$4,033 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$5,307 SGD
$4,151 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,497 SGD
$4,300 USD
View
Retailer 5
-
$5,497 SGD
$4,300 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
$5,861 SGD
$4,585 USD
View
B+
Retailer 7
-
$7,434 SGD
$5,815 USD
View
Retailer 8
-
$7,582 SGD
$5,931 USD
View
Price last confirmed 32 days ago
B+
Retailer 9
-
$7,839 SGD
$6,132 USD
View
B+
Retailer 10
-
$7,910 SGD
£4,872 GBP
View
Retailer 11
-
$8,201 SGD
$6,415 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$8,514 SGD
£5,244 GBP
View
B+
Retailer 13
-
$9,392 SGD
ZAR 118,682 ZAR
View
B
Retailer 14
-
$9,617 SGD
$7,523 USD
View
B
Retailer 15
-
$11,427 SGD
A$13,751 AUD
View
B
Retailer 16
-
$13,908 SGD
$10,879 USD
View
B
Retailer 17
-
$15,133 SGD
$11,837 USD
View
B
Retailer 18
-
$21,558 SGD
$16,863 USD
View
Retailer 19
-
$32,599 SGD
$25,500 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-722555615 · Oct 31
$35,450 SGD
$27,730 USD
View
Price under review
19 more retailers have this diamond
Prices start from $5,307 SGDSave up to $16,251 SGD

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
12.57ct Radiant
$5,307 SGD