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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 $14,638 SGD
$11,450 USD
As of October 28, 2026
Save $11,464 SGD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $26,102 SGD at MOH London · As of October 29, 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 $14,638 to $26,102, a $11,464 spread on the same certified stone. MOH London lists it at $26,102. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $26,102 SGD|Low: $14,638 SGD|High: $26,276 SGD|Avg: $19,659 SGD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$14,638 SGD
Retailer 3$16,624 SGD
Retailer 8$17,733 SGD
Retailer 4$17,747 SGD
Retailer 6$17,852 SGD
Retailer 10$18,010 SGD
Retailer 9$18,703 SGD
Retailer 2$20,007 SGD
Retailer 11$23,551 SGD
Retailer 5$24,294 SGD
MOH London$26,102 SGD

43 data points across 11 retailers

19 retailers$14,638 SGD to $26,102 SGD

B+
Cheapest Retailer
-
$14,638 SGD
$11,450 USD
B
Retailer 2
-
$15,424 SGD
$12,065 USD
View
B
Retailer 3
-
$15,449 SGD
$12,085 USD
View
B
Retailer 4
-
$15,541 SGD
CA$16,884 CAD
View
B
Retailer 5
-
$16,344 SGD
$12,785 USD
View
B
Retailer 6
-
$16,624 SGD
$13,004 USD
View
B
Retailer 7
-
$17,733 SGD
$13,871 USD
View
B
Retailer 8
-
$17,747 SGD
£10,931 GBP
View
Retailer 9
-
$17,852 SGD
A$21,484 AUD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$18,010 SGD
$14,088 USD
View
B
Retailer 11
-
$18,703 SGD
$14,630 USD
View
B
Retailer 12
-
$19,035 SGD
$14,890 USD
View
B
Retailer 13
-
$19,035 SGD
$14,890 USD
View
B
Retailer 14
-
$19,272 SGD
$15,075 USD
View
B
Retailer 15
-
$19,675 SGD
$15,390 USD
View
B
Retailer 16
-
$20,007 SGD
€14,905 EUR
View
B
Retailer 17
-
$23,551 SGD
$18,422 USD
View
B
Retailer 18
-
$24,294 SGD
ZAR 306,998 ZAR
View
Most Expensive
B
MOH London
DE6A5FE04 · Oct 29
$26,102 SGD
£16,077 GBP
View
18 more retailers have this diamond
Prices start from $14,638 SGDSave up to $11,464 SGD

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
$14,638 SGD