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Oval|Lab Grown|GIA

1.66ct D IF Oval Lab Grown Diamond

EX • D/IF • GIA 5536697536

Certificate GIA 5536697536

Diamond specifications and retailer prices

From $1,243 USD
As of November 2, 2026
Save $3,502 USD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,745 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536697536. Listed at 15 retailers as of October 31, 2026, with prices from $1,243 to $4,745, a $3,502 spread on the same certified stone. Taylor and Hart lists it at $4,745. 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
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5536697536
Dimensions9.72 × 6.58 × 4.08 mm
L/W Ratio1.48
Top View
9.72 mm6.58 mm1.66 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5536697536
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $1,933 USD|Low: $1,243 USD|High: $8,210 USD|Avg: $3,324 USD|-8.5%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 14$1,243 USD
Retailer 11$1,460 USD
Retailer 12$1,491 USD
Retailer 4$1,623 USD
Retailer 1$1,933 USD
Retailer 10$1,968 USD
Retailer 5$2,026 USD
Retailer 3$3,211 USD
Retailer 7$3,496 USD
Retailer 9$3,834 USD
Retailer 13$4,314 USD
Retailer 8$4,320 USD
Retailer 6$4,737 USD
Taylor and Hart$4,745 USD
Retailer 2$8,210 USD

27 data points across 15 retailers

15 retailers$1,243 USD to $4,745 USD

B+
Cheapest Retailer
-
$1,243 USD
B+
Retailer 2
-
$1,460 USD
View
B+
Retailer 3
-
$1,491 USD
View
B+
Retailer 4
-
$1,623 USD
View
B+
Retailer 5
-
$1,933 USD
€1,841 EUR
View
B+
Retailer 6
-
$1,968 USD
A$3,028 AUD
View
B
Retailer 7
-
$3,211 USD
CA$4,460 CAD
View
B
Retailer 8
-
$3,496 USD
A$5,379 AUD
View
B
Retailer 9
-
$3,834 USD
View
B
Retailer 10
-
$4,314 USD
£3,397 GBP
View
B
Retailer 11
-
$4,320 USD
View
B
Retailer 12
-
$4,320 USD
View
B
Retailer 13
-
$4,737 USD
View
Most Expensive
B
Taylor and Hart
1YLVOT0 · Oct 31
$4,745 USD
View
13 more retailers have this diamond
Prices start from $1,243 USDSave up to $3,502 USD

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 Oval
$1,243 USD