Oval|Natural|GIA

1.31ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1568583831

Certificate GIA 1568583831

Diamond specifications and retailer prices

From HK$27,416 HKD
As of October 30, 2026
Save HK$40,559 HKD (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$67,975 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural oval diamond

This 1.31ct natural oval sits in the one-and-a-quarter to one-and-a-half 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 1568583831. Listed at 20 retailers as of October 30, 2026, with prices from HK$27,416 to HK$67,975, a HK$40,559 spread on the same certified stone. NZ Jewellers lists it at HK$67,975. 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

1.31
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568583831
Dimensions8.31 × 6.06 × 3.99 mm
L/W Ratio1.37
Girdle conditionFaceted
Top View
8.31 mm6.06 mm1.31 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568583831
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.9%

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$67,975 HKD|Low: HK$27,416 HKD|High: HK$67,975 HKD|Avg: HK$40,684 HKD|+2.0%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 3HK$27,416 HKD
Retailer 18HK$29,931 HKD
Retailer 13HK$31,718 HKD
Retailer 5HK$32,483 HKD
Retailer 4HK$33,415 HKD
Retailer 16HK$35,180 HKD
Retailer 14HK$35,358 HKD
Retailer 11HK$35,886 HKD
Retailer 8HK$36,012 HKD
Retailer 19HK$36,718 HKD
Retailer 9HK$36,754 HKD
Retailer 12HK$38,175 HKD
Retailer 2HK$39,181 HKD
Retailer 6HK$39,464 HKD
Retailer 17HK$41,915 HKD
Retailer 10HK$48,335 HKD
Retailer 7HK$56,879 HKD
Retailer 15HK$62,475 HKD
NZ JewellersHK$67,975 HKD

8 data points across 19 retailers

20 retailersHK$27,416 HKD to HK$67,975 HKD

A
Cheapest Retailer
-
HK$27,416 HKD
A
Retailer 2
-
HK$29,931 HKD
$3,815 USD
View
A
Retailer 3
-
HK$31,718 HKD
€3,850 EUR
View
A
Retailer 4
-
HK$32,324 HKD
$4,120 USD
View
A
Retailer 5
-
HK$32,483 HKD
A$6,370 AUD
View
A
Retailer 6
-
HK$33,415 HKD
$4,259 USD
View
A
Retailer 7
-
HK$35,180 HKD
$4,484 USD
View
A
Retailer 8
-
HK$35,358 HKD
£3,549 GBP
View
A
Retailer 9
-
HK$35,886 HKD
SGD 6,181 SGD
View
B+
Retailer 10
-
HK$36,012 HKD
$4,590 USD
View
Final sale: no returns
B+
Retailer 11
-
HK$36,718 HKD
$4,680 USD
View
A
Retailer 12
-
HK$36,754 HKD
$4,685 USD
View
B+
Retailer 13
-
HK$38,175 HKD
£3,831 GBP
View
B+
Retailer 14
-
HK$39,181 HKD
$4,994 USD
View
B+
Retailer 15
-
HK$39,464 HKD
$5,030 USD
View
B+
Retailer 16
-
HK$41,915 HKD
€5,088 EUR
View
B
Retailer 17
-
HK$48,335 HKD
ZAR 99,526 ZAR
View
B
Retailer 18
-
HK$56,879 HKD
$7,250 USD
View
B
Retailer 19
-
HK$62,475 HKD
£6,270 GBP
View
Most Expensive
B
NZ Jewellers
bef2a829-c458-42d4-93b7-da770fcbe308 · Oct 30
HK$67,975 HKD
$8,664 USD
View
19 more retailers have this diamond
Prices start from HK$27,416 HKDSave up to HK$40,559 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
1.31ct Oval
HK$27,416 HKD