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Round|Natural|GIA

1.35ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6552721889

Certificate GIA 6552721889

Diamond specifications and retailer prices

From $2,057 USD
SGD 2,780 SGD
As of October 31, 2026
Save $1,947 USD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,004 USD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.35ct natural round diamond

This 1.35ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552721889. Listed at 12 retailers as of October 30, 2026, with prices from $2,057 to $4,004, a $1,947 spread on the same certified stone. Helzberg Diamonds lists it at $4,004. 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

1.35
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552721889
Dimensions7.01 × 7.06 × 4.42 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.01 mm7.06 mm1.35 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552721889
Side View
Table 57.0%Crown 35.5°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.8%

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 31
Current: $4,004 USD|Low: $2,057 USD|High: $4,253 USD|Avg: $2,913 USD|-5.8%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 9$2,057 USD
Retailer 7$2,216 USD
Retailer 6$2,234 USD
Retailer 2$2,400 USD
Retailer 12$2,434 USD
Retailer 8$2,500 USD
Retailer 10$2,640 USD
Retailer 11$2,780 USD
Retailer 5$2,800 USD
Retailer 4$3,123 USD
Retailer 3$3,668 USD
Helzberg Diamonds$4,004 USD

41 data points across 12 retailers

12 retailers$2,057 USD to $4,004 USD

A
Cheapest Retailer
-
$2,057 USD
SGD 2,780 SGD
A
Retailer 2
-
$2,216 USD
View
A
Retailer 3
-
$2,234 USD
View
A
Retailer 4
-
$2,400 USD
£1,890 GBP
View
A
Retailer 5
-
$2,434 USD
SGD 3,289 SGD
View
A
Retailer 6
-
$2,500 USD
View
A
Retailer 7
-
$2,640 USD
View
A
Retailer 8
-
$2,780 USD
View
A
Retailer 9
-
$2,800 USD
£2,205 GBP
View
A
Retailer 10
-
$2,892 USD
View
A
Retailer 11
-
$3,668 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRMLLINIHOOP · Oct 30
$4,004 USD
View
11 more retailers have this diamond
Prices start from $2,057 USDSave up to $1,947 USD

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
1.35ct Round
$2,057 USD