Oval|Natural|GIA

1.51ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 6542053783

Certificate GIA 6542053783

Diamond specifications and retailer prices

From HK$65,131 HKD
₹790,618 INR
As of October 30, 2026
Save HK$46,954 HKD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$118,980 HKD at NZ Jewellers · As of September 30, 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 E 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 6542053783. Listed at 22 retailers as of October 29, 2026, with a 72% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.99°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6542053783
Dimensions9.18 × 6.38 × 4.06 mm
L/W Ratio1.44
Top View
9.18 mm6.38 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542053783
Side View
Table 59.0%Crown 34.99°Girdle: THK-VTKPavilion 40°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$65,131 HKD|Low: HK$65,058 HKD|High: HK$112,833 HKD|Avg: HK$83,071 HKD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 1HK$65,131 HKD
Retailer 11HK$72,008 HKD
Retailer 3HK$73,114 HKD
Retailer 4HK$78,096 HKD
Retailer 9HK$78,794 HKD
Retailer 10HK$79,231 HKD
Retailer 7HK$86,730 HKD
Retailer 6HK$89,811 HKD
Retailer 2HK$93,813 HKD
Retailer 8HK$103,664 HKD
Retailer 5HK$112,085 HKD

33 data points across 11 retailers

22 retailersHK$65,131 HKD to HK$112,085 HKD

A
Cheapest Retailer
-
HK$65,131 HKD
₹790,618 INR
B+
Retailer 2
-
HK$72,008 HKD
$9,178 USD
View
B+
Retailer 3
-
HK$72,235 HKD
$9,207 USD
View
B+
Retailer 4
-
HK$73,114 HKD
$9,319 USD
View
B+
Retailer 5
-
HK$74,511 HKD
$9,497 USD
View
B+
Retailer 6
-
HK$77,947 HKD
$9,935 USD
View
B+
Retailer 7
-
HK$78,096 HKD
£7,838 GBP
View
B
Retailer 8
-
HK$78,794 HKD
$10,043 USD
View
Final sale: no returns
Retailer 9
-
HK$78,802 HKD
$10,044 USD
View
Price last confirmed 18 days ago
Retailer 10
-
HK$79,231 HKD
A$15,536 AUD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
HK$85,206 HKD
$10,860 USD
View
Retailer 12
-
HK$85,369 HKD
$10,881 USD
View
Price last confirmed 38 days ago
Retailer 13
-
HK$85,369 HKD
$10,881 USD
View
Price last confirmed 22 days ago
B
Retailer 14
-
HK$86,730 HKD
$11,054 USD
View
B
Retailer 15
-
HK$87,349 HKD
$11,133 USD
View
B+
Retailer 16
-
HK$89,811 HKD
€10,902 EUR
View
B
Retailer 17
-
HK$93,813 HKD
$11,957 USD
View
Retailer 18
-
HK$98,503 HKD
$12,555 USD
View
Price last confirmed 21 days ago
Retailer 19
-
HK$98,503 HKD
$12,555 USD
View
Price last confirmed 38 days ago
Retailer 20
-
HK$103,664 HKD
ZAR 213,455 ZAR
View
Price last confirmed 18 days ago
B
Retailer 21
-
HK$112,085 HKD
£11,249 GBP
View
Most Expensive
NZ Jewellers
c1c1720f-1bfa-4368-bb32-1914ca9ab0ec · Sep 30
HK$118,980 HKD
$15,165 USD
View
Price last confirmed 30 days ago
21 more retailers have this diamond
Prices start from HK$65,131 HKDSave up to HK$46,954 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.

A
1.51ct Oval
HK$65,131 HKD