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Radiant|Lab Grown|IGI

16.66ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG722509534

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

Certificate IGI LG722509534

Diamond specifications and retailer prices

From $4,213 SGD
$3,294 USD
As of November 2, 2026
Save $24,767 SGD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $28,980 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 16.66ct lab-grown radiant diamond

This 16.66ct 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 LG722509534 or 722509534. Listed at 14 retailers as of November 2, 2026, with prices from $4,213 to $28,980, a $24,767 spread on the same certified stone. Do Amore Diamonds lists it at $28,980. 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

16.66
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722509534
Dimensions18.45 × 12.73 × 7.74 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.45 mm12.73 mm16.66 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722509534
Side View
Table 68.0%Crown 45.4°Girdle: Slightly ThickPavilion 31.7°Culet: NoneDepth 60.8%

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 2
Current: $6,988 SGD|Low: $4,044 SGD|High: $16,403 SGD|Avg: $7,904 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8$4,213 SGD
Retailer 2$4,718 SGD
Retailer 9$4,887 SGD
Retailer 11$4,887 SGD
Retailer 6$4,892 SGD
Retailer 12$5,535 SGD
Retailer 10$6,740 SGD
Retailer 1$6,988 SGD
Retailer 5$8,349 SGD
Retailer 7$8,530 SGD
Retailer 4$13,378 SGD
Retailer 3$16,403 SGD

42 data points across 12 retailers

14 retailers$4,213 SGD to $28,980 SGD

A
Cheapest Retailer
-
$4,213 SGD
$3,294 USD
A
Retailer 2
-
$4,584 SGD
$3,584 USD
View
A
Retailer 3
-
$4,718 SGD
$3,689 USD
View
Final sale: no returns
A
Retailer 4
-
$4,887 SGD
$3,821 USD
View
Retailer 5
-
$4,887 SGD
$3,821 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$4,892 SGD
$3,825 USD
View
A
Retailer 7
-
$5,535 SGD
$4,328 USD
View
A
Retailer 8
-
$6,740 SGD
$5,270 USD
View
A
Retailer 9
-
$6,988 SGD
£4,302 GBP
View
B+
Retailer 10
-
$8,349 SGD
ZAR 105,459 ZAR
View
Retailer 11
-
$8,530 SGD
$6,670 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$13,378 SGD
$10,461 USD
View
B
Retailer 13
-
$16,403 SGD
$12,826 USD
View
Most Expensive
B
Do Amore Diamonds
27-0293394E9 · Nov 2
$28,980 SGD
$22,660 USD
View
13 more retailers have this diamond
Prices start from $4,213 SGDSave up to $24,767 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
16.66ct Radiant
$4,213 SGD