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Round|Natural|GIA

1.30ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1538383423

Certificate GIA 1538383423

Diamond specifications and retailer prices

From $4,312 SGD
As of November 3, 2026
Save $4,538 SGD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,447 SGD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1538383423. Listed at 12 retailers as of November 1, 2026, with a 105% 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

1.30
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1538383423
Dimensions6.97 × 6.94 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.97 mm6.94 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1538383423
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: $7,829 SGD|Low: $3,375 SGD|High: $8,956 SGD|Avg: $5,471 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$3,375 SGD
Retailer 9$4,312 SGD
Retailer 4$4,494 SGD
Retailer 3$4,688 SGD
Retailer 5$4,815 SGD
Retailer 2$5,063 SGD
Retailer 6$5,362 SGD
Retailer 10$5,422 SGD
Retailer 11$5,611 SGD
Retailer 7$5,761 SGD
NZ Jewellers$7,829 SGD
Retailer 8$8,850 SGD

28 data points across 12 retailers

12 retailers$4,312 SGD to $8,850 SGD

A
Cheapest Retailer
-
$4,312 SGD
Final sale: no returns
A
Retailer 2
-
$4,500 SGD
View
A
Retailer 3
-
$4,815 SGD
View
A
Retailer 4
-
$5,063 SGD
View
A
Retailer 5
-
$5,362 SGD
View
Retailer 6
-
$5,422 SGD
View
Price last confirmed 36 days ago
Retailer 7
-
$5,422 SGD
View
Price last confirmed 38 days ago
A
Retailer 8
-
$5,611 SGD
View
A
Retailer 9
-
$5,761 SGD
View
Retailer 10
-
$6,256 SGD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$8,850 SGD
View
Most Expensive
NZ Jewellers
47524fe3-ea46-402d-b839-9160e9e734d1 · Sep 26
$9,447 SGD
$7,396 USD
View
Price last confirmed 40 days ago
11 more retailers have this diamond
Prices start from $4,312 SGDSave up to $4,538 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
1.30ct Round
$4,312 SGD