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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 €1,108 EUR
$1,243 USD
As of November 2, 2026
Save €3,122 EUR (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,231 EUR 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 €1,108 to €4,231, a €3,122 spread on the same certified stone. Taylor and Hart lists it at €4,231. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,723 EUR|Low: €1,108 EUR|High: €7,320 EUR|Avg: €2,964 EUR|-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€1,108 EUR
Retailer 11€1,302 EUR
Retailer 12€1,329 EUR
Retailer 4€1,447 EUR
Retailer 1€1,723 EUR
Retailer 10€1,755 EUR
Retailer 5€1,806 EUR
Retailer 3€2,863 EUR
Retailer 7€3,117 EUR
Retailer 9€3,418 EUR
Retailer 13€3,846 EUR
Retailer 8€3,852 EUR
Retailer 6€4,223 EUR
Taylor and Hart€4,231 EUR
Retailer 2€7,320 EUR

27 data points across 15 retailers

15 retailers€1,108 EUR to €4,231 EUR

B+
Cheapest Retailer
-
€1,108 EUR
$1,243 USD
B+
Retailer 2
-
€1,302 EUR
$1,460 USD
View
B+
Retailer 3
-
€1,329 EUR
$1,491 USD
View
B+
Retailer 4
-
€1,447 EUR
$1,623 USD
View
B+
Retailer 5
-
€1,723 EUR
View
B+
Retailer 6
-
€1,755 EUR
A$3,028 AUD
View
B
Retailer 7
-
€2,863 EUR
CA$4,460 CAD
View
B
Retailer 8
-
€3,117 EUR
A$5,379 AUD
View
B
Retailer 9
-
€3,418 EUR
$3,834 USD
View
B
Retailer 10
-
€3,846 EUR
£3,397 GBP
View
B
Retailer 11
-
€3,852 EUR
$4,320 USD
View
B
Retailer 12
-
€3,852 EUR
$4,320 USD
View
B
Retailer 13
-
€4,223 EUR
$4,737 USD
View
Most Expensive
B
Taylor and Hart
1YLVOT0 · Oct 31
€4,231 EUR
$4,745 USD
View
13 more retailers have this diamond
Prices start from €1,108 EURSave up to €3,122 EUR

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
€1,108 EUR