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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 $28,795 AUD
$20,180 USD
As of November 1, 2026
Save $27,774 AUD (49%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $56,569 AUD 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 $28,795 to $56,569, a $27,774 spread on the same certified stone. Diamond Quarter lists it at $56,569. 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: $38,793 AUD|Low: $27,690 AUD|High: $52,520 AUD|Avg: $38,155 AUD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5$28,795 AUD
Retailer 6$31,844 AUD
Retailer 2$33,230 AUD
Retailer 7$34,037 AUD
Retailer 8$34,889 AUD
Retailer 1$38,793 AUD
Retailer 4$48,819 AUD
Retailer 3$51,895 AUD

42 data points across 8 retailers

22 retailers$28,795 AUD to $56,569 AUD

B+
Cheapest Retailer
-
$28,795 AUD
$20,180 USD
B+
Retailer 2
-
$30,511 AUD
$21,383 USD
View
B+
Retailer 3
-
$30,547 AUD
$21,408 USD
View
B+
Retailer 4
-
$31,257 AUD
CA$30,425 CAD
View
B
Retailer 5
-
$31,844 AUD
$22,317 USD
View
Final sale: no returns
B
Retailer 6
-
$32,383 AUD
$22,695 USD
View
B
Retailer 7
-
$33,228 AUD
$23,287 USD
View
B+
Retailer 8
-
$33,230 AUD
£18,337 GBP
View
Retailer 9
-
$34,037 AUD
View
Price last confirmed 29 days ago
B
Retailer 10
-
$34,889 AUD
$24,451 USD
View
B
Retailer 11
-
$35,601 AUD
$24,950 USD
View
B
Retailer 12
-
$35,601 AUD
$24,950 USD
View
B
Retailer 13
-
$35,998 AUD
$25,228 USD
View
B
Retailer 14
-
$36,785 AUD
$25,780 USD
View
Retailer 15
-
$37,327 AUD
$26,159 USD
View
Price last confirmed 15 days ago
B
Retailer 16
-
$37,382 AUD
$26,198 USD
View
B
Retailer 17
-
$38,762 AUD
$27,165 USD
View
B
Retailer 18
-
$38,793 AUD
€25,892 EUR
View
B
Retailer 19
-
$47,073 AUD
$32,990 USD
View
B
Retailer 20
-
$48,819 AUD
ZAR 552,714 ZAR
View
B
Retailer 21
-
$51,895 AUD
£28,637 GBP
View
Most Expensive
B
Diamond Quarter
1.66VS2D11813139N · Oct 29
$56,569 AUD
£31,216 GBP
View
21 more retailers have this diamond
Prices start from $28,795 AUDSave up to $27,774 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.

B+
1.66ct Round
$28,795 AUD