CaratHunter
Plans
Round|Natural|GIA

1.30ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1242019707

Certificate GIA 1242019707

Diamond specifications and retailer prices

From $7,210 SGD
As of November 4, 2026
Save $6,618 SGD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,828 SGD at NZ Jewellers · As of November 5, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1242019707. Listed at 13 retailers as of November 4, 2026, with prices from $7,210 to $13,828, a $6,618 spread on the same certified stone. NZ Jewellers lists it at $13,828. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1242019707
Dimensions6.93 × 6.88 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.93 mm6.88 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242019707
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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 4
Current: $13,828 SGD|Low: $5,509 SGD|High: $13,828 SGD|Avg: $8,158 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 11$5,509 SGD
Retailer 7$5,849 SGD
Retailer 9$6,454 SGD
Retailer 8$6,733 SGD
Retailer 12$6,946 SGD
Retailer 14$7,162 SGD
Retailer 4$7,210 SGD
Retailer 10$7,498 SGD
Retailer 13$7,572 SGD
Retailer 17$7,822 SGD
Retailer 15$7,868 SGD
Retailer 2$8,110 SGD
Retailer 21$8,173 SGD
Retailer 3$8,268 SGD
Retailer 5$8,268 SGD
Retailer 6$8,268 SGD
Retailer 19$8,976 SGD
Retailer 18$9,778 SGD
Retailer 16$10,340 SGD
Retailer 20$12,148 SGD
NZ Jewellers$13,828 SGD

32 data points across 21 retailers

13 retailers$7,210 SGD to $13,828 SGD

B+
Cheapest Retailer
-
$7,210 SGD
B+
Retailer 2
-
$7,572 SGD
View
B+
Retailer 3
-
$7,822 SGD
View
Final sale: no returns
B+
Retailer 4
-
$7,868 SGD
View
B+
Retailer 5
-
$8,110 SGD
View
Retailer 6
-
$8,173 SGD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
$8,268 SGD
View
B+
Retailer 8
-
$8,268 SGD
View
B+
Retailer 9
-
$8,976 SGD
View
B
Retailer 10
-
$9,778 SGD
View
B
Retailer 11
-
$10,340 SGD
View
B
Retailer 12
-
$12,148 SGD
View
Most Expensive
B
NZ Jewellers
171896f2-cdac-4390-9bb8-3836fe18e7fe · Nov 5
$13,828 SGD
$10,826 USD
View
12 more retailers have this diamond
Prices start from $7,210 SGDSave up to $6,618 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.

B+
1.30ct Round
$7,210 SGD