Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

ID • F/SI1 • GIA 6531369634

Certificate GIA 6531369634

Diamond specifications and retailer prices

From HK$67,924 HKD
$8,657 USD
As of November 2, 2026
Save HK$54,742 HKD (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$122,666 HKD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded F 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 6531369634. Listed at 16 retailers as of November 2, 2026, with prices from HK$67,924 to HK$122,666, a HK$54,742 spread on the same certified stone. NZ Jewellers lists it at HK$122,666. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531369634
Dimensions9.60 × 6.16 × 3.93 mm
L/W Ratio1.56
Top View
9.60 mm6.16 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531369634
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.7%

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: HK$122,666 HKD|Low: HK$67,123 HKD|High: HK$122,666 HKD|Avg: HK$88,376 HKD
NZ Jewellers
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
Retailer 15
November 3, 2026
Retailer 3HK$67,924 HKD
Retailer 12HK$72,929 HKD
Retailer 7HK$73,604 HKD
Retailer 14HK$74,216 HKD
Retailer 5HK$79,732 HKD
Retailer 2HK$79,762 HKD
Retailer 15HK$80,106 HKD
Retailer 8HK$80,964 HKD
Retailer 10HK$82,343 HKD
Retailer 9HK$84,393 HKD
Retailer 6HK$92,003 HKD
Retailer 11HK$92,715 HKD
Retailer 13HK$108,128 HKD
Retailer 4HK$114,951 HKD
NZ JewellersHK$122,666 HKD

40 data points across 15 retailers

16 retailersHK$67,924 HKD to HK$122,666 HKD

B+
Cheapest Retailer
-
HK$67,924 HKD
$8,657 USD
B+
Retailer 2
-
HK$68,912 HKD
$8,783 USD
View
B+
Retailer 3
-
HK$72,929 HKD
$9,295 USD
View
B+
Retailer 4
-
HK$74,216 HKD
$9,459 USD
View
B
Retailer 5
-
HK$78,486 HKD
$10,003 USD
View
B
Retailer 6
-
HK$79,732 HKD
$10,162 USD
View
B+
Retailer 7
-
HK$79,762 HKD
£8,005 GBP
View
Retailer 8
-
HK$80,106 HKD
A$15,707 AUD
View
Our latest check could not confirm this price
B
Retailer 9
-
HK$80,964 HKD
$10,319 USD
View
B
Retailer 10
-
HK$82,343 HKD
£8,264 GBP
View
B
Retailer 11
-
HK$84,393 HKD
$10,756 USD
View
B
Retailer 12
-
HK$92,003 HKD
$11,726 USD
View
B
Retailer 13
-
HK$92,715 HKD
€11,254 EUR
View
B
Retailer 14
-
HK$108,128 HKD
ZAR 222,636 ZAR
View
B
Retailer 15
-
HK$114,951 HKD
£11,536 GBP
View
Most Expensive
B
NZ Jewellers
ef70bf24-57fa-4a5e-9bde-f717cf668600 · Nov 2
HK$122,666 HKD
$15,634 USD
View
15 more retailers have this diamond
Prices start from HK$67,924 HKDSave up to HK$54,742 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$67,924 HKD