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Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1169911515

Certificate GIA 1169911515

Diamond specifications and retailer prices

From €10,249 EUR
$11,450 USD
As of October 28, 2026
Save €7,930 EUR (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €18,179 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 1169911515. Listed at 19 retailers as of October 28, 2026, with prices from €10,249 to €18,179, a €7,930 spread on the same certified stone. MOH London lists it at €18,179. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1169911515
Dimensions8.79 × 6.58 × 4.09 mm
L/W Ratio1.34
Top View
8.79 mm6.58 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1169911515
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.2%

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: €18,179 EUR|Low: €10,249 EUR|High: €18,397 EUR|Avg: €13,765 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7€10,249 EUR
Retailer 3€11,640 EUR
Retailer 8€12,416 EUR
Retailer 2€12,426 EUR
Retailer 6€12,499 EUR
Retailer 10€12,610 EUR
Retailer 9€13,095 EUR
Retailer 5€14,008 EUR
Retailer 11€16,489 EUR
Retailer 4€17,100 EUR
MOH London€18,179 EUR

43 data points across 11 retailers

19 retailers€10,249 EUR to €18,179 EUR

B+
Cheapest Retailer
-
€10,249 EUR
$11,450 USD
B
Retailer 2
-
€10,799 EUR
$12,065 USD
View
B
Retailer 3
-
€10,817 EUR
$12,085 USD
View
B
Retailer 4
-
€10,881 EUR
CA$16,884 CAD
View
B
Retailer 5
-
€11,444 EUR
$12,785 USD
View
B
Retailer 6
-
€11,640 EUR
$13,004 USD
View
B
Retailer 7
-
€12,416 EUR
$13,871 USD
View
B
Retailer 8
-
€12,426 EUR
£10,931 GBP
View
Retailer 9
-
€12,499 EUR
A$21,484 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
€12,610 EUR
$14,088 USD
View
B
Retailer 11
-
€13,095 EUR
$14,630 USD
View
B
Retailer 12
-
€13,328 EUR
$14,890 USD
View
B
Retailer 13
-
€13,328 EUR
$14,890 USD
View
B
Retailer 14
-
€13,493 EUR
$15,075 USD
View
B
Retailer 15
-
€13,775 EUR
$15,390 USD
View
B
Retailer 16
-
€14,008 EUR
View
B
Retailer 17
-
€16,489 EUR
$18,422 USD
View
B
Retailer 18
-
€17,100 EUR
ZAR 308,639 ZAR
View
Most Expensive
B
MOH London
DE6A5FE04 · Nov 1
€18,179 EUR
£15,992 GBP
View
18 more retailers have this diamond
Prices start from €10,249 EURSave up to €7,930 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
€10,249 EUR