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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 HK$89,833 HKD
$11,450 USD
As of October 28, 2026
Save HK$69,512 HKD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$159,345 HKD 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 HK$89,833 to HK$159,345, a HK$69,512 spread on the same certified stone. MOH London lists it at HK$159,345. 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: HK$159,345 HKD|Low: HK$89,833 HKD|High: HK$161,258 HKD|Avg: HK$120,653 HKD|-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 7HK$89,833 HKD
Retailer 3HK$102,025 HKD
Retailer 8HK$108,828 HKD
Retailer 2HK$108,917 HKD
Retailer 6HK$109,561 HKD
Retailer 10HK$110,530 HKD
Retailer 9HK$114,783 HKD
Retailer 5HK$122,787 HKD
Retailer 11HK$144,533 HKD
Retailer 4HK$149,890 HKD
MOH LondonHK$159,345 HKD

43 data points across 11 retailers

19 retailersHK$89,833 HKD to HK$159,345 HKD

B+
Cheapest Retailer
-
HK$89,833 HKD
$11,450 USD
B
Retailer 2
-
HK$94,658 HKD
$12,065 USD
View
B
Retailer 3
-
HK$94,815 HKD
$12,085 USD
View
B
Retailer 4
-
HK$95,376 HKD
CA$16,884 CAD
View
B
Retailer 5
-
HK$100,307 HKD
$12,785 USD
View
B
Retailer 6
-
HK$102,025 HKD
$13,004 USD
View
B
Retailer 7
-
HK$108,828 HKD
$13,871 USD
View
B
Retailer 8
-
HK$108,917 HKD
£10,931 GBP
View
Retailer 9
-
HK$109,561 HKD
A$21,484 AUD
View
Price last confirmed 8 days ago
B
Retailer 10
-
HK$110,530 HKD
$14,088 USD
View
B
Retailer 11
-
HK$114,783 HKD
$14,630 USD
View
B
Retailer 12
-
HK$116,822 HKD
$14,890 USD
View
B
Retailer 13
-
HK$116,822 HKD
$14,890 USD
View
B
Retailer 14
-
HK$118,274 HKD
$15,075 USD
View
B
Retailer 15
-
HK$120,745 HKD
$15,390 USD
View
B
Retailer 16
-
HK$122,787 HKD
€14,905 EUR
View
B
Retailer 17
-
HK$144,533 HKD
$18,422 USD
View
B
Retailer 18
-
HK$149,890 HKD
ZAR 308,639 ZAR
View
Most Expensive
B
MOH London
DE6A5FE04 · Nov 1
HK$159,345 HKD
£15,992 GBP
View
18 more retailers have this diamond
Prices start from HK$89,833 HKDSave up to HK$69,512 HKD

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
HK$89,833 HKD