CaratHunter
Plans
Oval|Natural|GIA

1.01ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 1242054878

Certificate GIA 1242054878

Diamond specifications and retailer prices

From $2,403 SGD
As of November 6, 2026
Save $2,090 SGD (47%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,493 SGD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.01ct natural oval diamond

This 1.01ct natural oval sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242054878. Listed at 14 retailers as of November 6, 2026, with prices from $2,403 to $4,493, a $2,090 spread on the same certified stone. Helzberg Diamonds lists it at $4,493. 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

1.01
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.09°
Pavilion angle41.43°
OriginNatural
Grading LabGIA
CertificateGIA 1242054878
Dimensions8.00 × 5.63 × 3.51 mm
L/W Ratio1.42
Culet sizeNone
Top View
8.00 mm5.63 mm1.01 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242054878
Side View
Table 61.0%Crown 35.09°Girdle: STK-THKPavilion 41.43°Culet: NoneDepth 62.2%

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: Nov 6
Current: $4,493 SGD|Low: $2,403 SGD|High: $4,537 SGD|Avg: $3,024 SGD|-1.0%
Helzberg Diamonds
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
November 6, 2026
Retailer 5$2,403 SGD
Retailer 8$2,445 SGD
Retailer 11$2,486 SGD
Retailer 12$2,506 SGD
Retailer 6$2,570 SGD
Retailer 4$2,729 SGD
Retailer 7$2,740 SGD
Retailer 14$2,973 SGD
Retailer 13$2,984 SGD
Retailer 2$3,144 SGD
Retailer 3$3,190 SGD
Retailer 9$3,530 SGD
Retailer 10$4,106 SGD
Helzberg Diamonds$4,493 SGD

37 data points across 14 retailers

14 retailers$2,403 SGD to $4,493 SGD

A
Cheapest Retailer
-
$2,403 SGD
A
Retailer 2
-
$2,445 SGD
View
A
Retailer 3
-
$2,486 SGD
View
A
Retailer 4
-
$2,506 SGD
View
Retailer 5
-
$2,570 SGD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$2,729 SGD
View
A
Retailer 7
-
$2,740 SGD
View
B+
Retailer 8
-
$2,973 SGD
View
B+
Retailer 9
-
$2,984 SGD
View
B+
Retailer 10
-
$3,144 SGD
View
B+
Retailer 11
-
$3,190 SGD
View
B+
Retailer 12
-
$3,530 SGD
View
B+
Retailer 13
-
$4,106 SGD
View
Most Expensive
B
Helzberg Diamonds
XZRHIKIGLKONO · Nov 6
$4,493 SGD
$3,506 USD
View
13 more retailers have this diamond
Prices start from $2,403 SGDSave up to $2,090 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
1.01ct Oval
$2,403 SGD