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Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2166672066

Certificate GIA 2166672066

Diamond specifications and retailer prices

From €10,132 EUR
$11,320 USD
As of October 28, 2026
Save €7,835 EUR (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €17,968 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2166672066. Listed at 19 retailers as of October 28, 2026, with prices from €10,132 to €17,968, a €7,835 spread on the same certified stone. MOH London lists it at €17,968. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2166672066
Dimensions8.71 × 6.71 × 4.08 mm
L/W Ratio1.30
Top View
8.71 mm6.71 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 2166672066
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.9%

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: Oct 28
Current: €17,968 EUR|Low: €10,132 EUR|High: €18,184 EUR|Avg: €13,825 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6€10,132 EUR
Retailer 7€12,272 EUR
Retailer 3€12,280 EUR
Retailer 5€12,353 EUR
Retailer 10€12,463 EUR
Retailer 9€12,943 EUR
Retailer 2€13,886 EUR
Retailer 8€16,299 EUR
Retailer 4€16,902 EUR
MOH London€17,968 EUR

44 data points across 10 retailers

19 retailers€10,132 EUR to €17,968 EUR

B+
Cheapest Retailer
-
€10,132 EUR
$11,320 USD
B
Retailer 2
-
€10,674 EUR
$11,925 USD
View
B
Retailer 3
-
€10,690 EUR
$11,943 USD
View
B
Retailer 4
-
€10,753 EUR
CA$16,685 CAD
View
B
Retailer 5
-
€11,314 EUR
$12,640 USD
View
B
Retailer 6
-
€11,505 EUR
$12,853 USD
View
B
Retailer 7
-
€12,272 EUR
$13,710 USD
View
B
Retailer 8
-
€12,280 EUR
£10,803 GBP
View
Retailer 9
-
€12,353 EUR
A$21,231 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
€12,463 EUR
$13,924 USD
View
B
Retailer 11
-
€12,943 EUR
$14,460 USD
View
B
Retailer 12
-
€13,194 EUR
$14,740 USD
View
B
Retailer 13
-
€13,194 EUR
$14,740 USD
View
B
Retailer 14
-
€13,334 EUR
$14,897 USD
View
B
Retailer 15
-
€13,632 EUR
$15,230 USD
View
B
Retailer 16
-
€13,886 EUR
View
B
Retailer 17
-
€16,299 EUR
$18,209 USD
View
B
Retailer 18
-
€16,902 EUR
ZAR 305,059 ZAR
View
Most Expensive
B
MOH London
8A6CB078A · Nov 1
€17,968 EUR
£15,806 GBP
View
18 more retailers have this diamond
Prices start from €10,132 EURSave up to €7,835 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+
1.51ct Oval
€10,132 EUR