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Round|Natural|GIA

0.90ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6551685487

Certificate GIA 6551685487

Diamond specifications and retailer prices

From $1,802 USD
Save $3,434 USD (66%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,236 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 6551685487. Listed at 23 retailers, with prices from $1,802 to $5,236 at NZ Jewellers, a $3,434 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551685487
Dimensions6.20 × 6.16 × 3.81 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather
Top View
6.20 mm6.16 mm0.90 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551685487
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $2,805 USD|Low: $1,802 USD|High: $4,441 USD|Avg: $2,544 USD|-7.5%
Retailer 1
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
October 1, 2026
Retailer 18$1,802 USD
Retailer 4$1,991 USD
Retailer 2$2,050 USD
Retailer 11$2,051 USD
Retailer 7$2,138 USD
Retailer 17$2,275 USD
Retailer 5$2,321 USD
Retailer 16$2,457 USD
Retailer 3$2,477 USD
Retailer 6$2,620 USD
Retailer 9$2,620 USD
Retailer 14$2,623 USD
Retailer 10$2,700 USD
Retailer 1$2,805 USD
Retailer 8$2,866 USD
Retailer 12$2,880 USD
Retailer 19$3,030 USD
Retailer 13$3,624 USD
Retailer 15$4,441 USD

37 data points across 19 retailers

23 retailers$1,802 USD to $5,236 USD

B+
Cheapest Retailer
-
$1,802 USD
B+
Retailer 2
-
$1,991 USD
View
B+
Retailer 3
-
$2,050 USD
View
B
Retailer 4
-
$2,138 USD
View
B+
Retailer 5
-
$2,269 USD
View
B+
Retailer 6
-
$2,269 USD
View
B+
Retailer 7
-
$2,275 USD
View
B
Retailer 8
-
$2,321 USD
View
B
Retailer 9
-
$2,374 USD
View
B
Retailer 10
-
$2,457 USD
View
B
Retailer 11
-
$2,477 USD
CA$3,440 CAD
View
B
Retailer 12
-
$2,618 USD
View
B
Retailer 13
-
$2,620 USD
View
B
Retailer 14
-
$2,620 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$2,629 USD
£2,070 GBP
View
B
Retailer 16
-
$2,700 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$2,805 USD
A$4,315 AUD
View
B
Retailer 18
-
$2,866 USD
View
B
Retailer 19
-
$2,880 USD
€2,743 EUR
View
B
Retailer 20
-
$3,030 USD
View
B
Retailer 21
-
$3,624 USD
ZAR 58,543 ZAR
View
B
Retailer 22
-
$4,441 USD
£3,497 GBP
View
Most Expensive
B
NZ Jewellers
31862ce3-162a-4035-99f3-7ccc5cd7c933 · Sep 26
$5,236 USD
View
22 more retailers have this diamond
Prices start from $1,802 USDSave up to $3,434 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.

B+
0.90ct Round
$1,802 USD