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Oval|Natural|GIA

1.31ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1568583831

Certificate GIA 1568583831

Diamond specifications and retailer prices

From $4,467 SGD
HK$27,300 HKD
As of October 30, 2026
Save $6,609 SGD (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,076 SGD 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 $4,467 to $11,076, a $6,609 spread on the same certified stone. NZ Jewellers lists it at $11,076. 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: $11,076 SGD|Low: $4,467 SGD|High: $11,076 SGD|Avg: $6,629 SGD|+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 3$4,467 SGD
Retailer 18$4,877 SGD
Retailer 13$5,168 SGD
Retailer 5$5,293 SGD
Retailer 4$5,445 SGD
Retailer 16$5,732 SGD
Retailer 14$5,761 SGD
Retailer 11$5,847 SGD
Retailer 8$5,868 SGD
Retailer 19$5,983 SGD
Retailer 9$5,989 SGD
Retailer 12$6,220 SGD
Retailer 2$6,384 SGD
Retailer 6$6,430 SGD
Retailer 17$6,830 SGD
Retailer 10$7,876 SGD
Retailer 7$9,268 SGD
Retailer 15$10,180 SGD
NZ Jewellers$11,076 SGD

8 data points across 19 retailers

20 retailers$4,467 SGD to $11,076 SGD

A
Cheapest Retailer
-
$4,467 SGD
HK$27,300 HKD
A
Retailer 2
-
$4,877 SGD
$3,815 USD
View
A
Retailer 3
-
$5,168 SGD
€3,850 EUR
View
A
Retailer 4
-
$5,267 SGD
$4,120 USD
View
A
Retailer 5
-
$5,293 SGD
A$6,370 AUD
View
A
Retailer 6
-
$5,445 SGD
$4,259 USD
View
A
Retailer 7
-
$5,732 SGD
$4,484 USD
View
A
Retailer 8
-
$5,761 SGD
£3,549 GBP
View
A
Retailer 9
-
$5,847 SGD
View
B+
Retailer 10
-
$5,868 SGD
$4,590 USD
View
Final sale: no returns
B+
Retailer 11
-
$5,983 SGD
$4,680 USD
View
A
Retailer 12
-
$5,989 SGD
$4,685 USD
View
B+
Retailer 13
-
$6,220 SGD
£3,831 GBP
View
B+
Retailer 14
-
$6,384 SGD
$4,994 USD
View
B+
Retailer 15
-
$6,430 SGD
$5,030 USD
View
B+
Retailer 16
-
$6,830 SGD
€5,088 EUR
View
B
Retailer 17
-
$7,876 SGD
ZAR 99,526 ZAR
View
B
Retailer 18
-
$9,268 SGD
$7,250 USD
View
B
Retailer 19
-
$10,180 SGD
£6,270 GBP
View
Most Expensive
B
NZ Jewellers
bef2a829-c458-42d4-93b7-da770fcbe308 · Oct 30
$11,076 SGD
$8,664 USD
View
19 more retailers have this diamond
Prices start from $4,467 SGDSave up to $6,609 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.

A
1.31ct Oval
$4,467 SGD