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Round|Natural|GIA

1.66ct D VS2 Round Natural Diamond

EX • D/VS2 • GIA 1165082781

Certificate GIA 1165082781

Diamond specifications and retailer prices

From $25,808 SGD
$20,180 USD
As of November 1, 2026
Save $24,893 SGD (49%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $50,702 SGD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.66ct natural round diamond

This 1.66ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1165082781. Listed at 22 retailers as of October 29, 2026, with prices from $25,808 to $50,702, a $24,893 spread on the same certified stone. Diamond Quarter lists it at $50,702. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1165082781
Dimensions7.66 × 7.61 × 4.61 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.66 mm7.61 mm1.66 ctD / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1165082781
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $29,783 SGD|Low: $24,818 SGD|High: $47,073 SGD|Avg: $34,184 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5$25,808 SGD
Retailer 6$28,541 SGD
Retailer 1$29,783 SGD
Retailer 7$30,507 SGD
Retailer 8$31,270 SGD
Retailer 3$34,730 SGD
Retailer 4$43,755 SGD
Retailer 2$46,512 SGD

43 data points across 8 retailers

22 retailers$25,808 SGD to $50,702 SGD

B+
Cheapest Retailer
-
$25,808 SGD
$20,180 USD
B+
Retailer 2
-
$27,347 SGD
$21,383 USD
View
B+
Retailer 3
-
$27,379 SGD
$21,408 USD
View
B+
Retailer 4
-
$28,015 SGD
CA$30,425 CAD
View
B
Retailer 5
-
$28,541 SGD
$22,317 USD
View
Final sale: no returns
B
Retailer 6
-
$29,025 SGD
$22,695 USD
View
B
Retailer 7
-
$29,782 SGD
$23,287 USD
View
B+
Retailer 8
-
$29,783 SGD
£18,337 GBP
View
Retailer 9
-
$30,507 SGD
A$36,698 AUD
View
Price last confirmed 29 days ago
B
Retailer 10
-
$31,270 SGD
$24,451 USD
View
B
Retailer 11
-
$31,909 SGD
$24,950 USD
View
B
Retailer 12
-
$31,909 SGD
$24,950 USD
View
B
Retailer 13
-
$32,264 SGD
$25,228 USD
View
B
Retailer 14
-
$32,970 SGD
$25,780 USD
View
Retailer 15
-
$33,455 SGD
$26,159 USD
View
Price last confirmed 15 days ago
B
Retailer 16
-
$33,505 SGD
$26,198 USD
View
B
Retailer 17
-
$34,730 SGD
€25,863 EUR
View
B
Retailer 18
-
$34,741 SGD
$27,165 USD
View
B
Retailer 19
-
$42,191 SGD
$32,990 USD
View
B
Retailer 20
-
$43,755 SGD
ZAR 552,714 ZAR
View
B
Retailer 21
-
$46,512 SGD
£28,637 GBP
View
Most Expensive
B
Diamond Quarter
1.66VS2D11813139N · Oct 29
$50,702 SGD
£31,216 GBP
View
21 more retailers have this diamond
Prices start from $25,808 SGDSave up to $24,893 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.

B+
1.66ct Round
$25,808 SGD