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Round|Natural|GIA

0.90ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6502925617

Certificate GIA 6502925617

Diamond specifications and retailer prices

From $1,510 USD
HK$11,800 HKD
Save $3,305 USD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,815 USD at NZ Jewellers
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6502925617. Listed at 19 retailers, with prices from $1,510 to $4,815 at NZ Jewellers, a $3,305 spread on the same certified stone. 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

0.90
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6502925617
Dimensions6.18 × 6.14 × 3.84 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.18 mm6.14 mm0.90 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6502925617
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Sep 29
Current: $4,815 USD|Low: $1,510 USD|High: $4,815 USD|Avg: $2,339 USD
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
October 1, 2026
Retailer 15$1,510 USD
Retailer 4$1,553 USD
Retailer 10$1,776 USD
Retailer 9$1,824 USD
Retailer 5$2,019 USD
Retailer 8$2,019 USD
Retailer 7$2,055 USD
Retailer 3$2,104 USD
Retailer 16$2,109 USD
Retailer 14$2,112 USD
Retailer 6$2,330 USD
Retailer 11$2,474 USD
Retailer 2$2,570 USD
Retailer 18$2,804 USD
Retailer 12$2,856 USD
Retailer 17$3,500 USD
Retailer 13$4,773 USD
NZ Jewellers$4,815 USD

38 data points across 18 retailers

19 retailers$1,510 USD to $4,815 USD

A
Cheapest Retailer
-
$1,510 USD
HK$11,800 HKD
A
Retailer 2
-
$1,553 USD
View
B+
Retailer 3
-
$1,776 USD
View
Price last confirmed 43 days ago
B+
Retailer 4
-
$1,824 USD
View
B+
Retailer 5
-
$2,019 USD
View
B
Retailer 6
-
$2,055 USD
View
B
Retailer 7
-
$2,104 USD
View
B
Retailer 8
-
$2,112 USD
View
B
Retailer 9
-
$2,112 USD
View
B
Retailer 10
-
$2,114 USD
£1,665 GBP
View
B+
Retailer 11
-
$2,330 USD
View
B
Retailer 12
-
$2,474 USD
€2,356 EUR
View
B
Retailer 13
-
$2,570 USD
A$3,955 AUD
View
B
Retailer 14
-
$2,804 USD
€2,670 EUR
View
B
Retailer 15
-
$2,856 USD
ZAR 46,144 ZAR
View
B
Retailer 16
-
$3,325 USD
View
B
Retailer 17
-
$3,500 USD
£2,756 GBP
View
B
Retailer 18
-
$4,773 USD
£3,758 GBP
View
Most Expensive
B
NZ Jewellers
468b904a-f61f-4d3b-ba61-f02dd3c5060c · Sep 26
$4,815 USD
View
18 more retailers have this diamond
Prices start from $1,510 USDSave up to $3,305 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.

A
0.90ct Round
$1,510 USD