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Radiant|Natural|GIA

0.90ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 1429523395

Certificate GIA 1429523395

Diamond specifications and retailer prices

From $1,178 USD
HK$9,200 HKD
As of October 30, 2026
Save $2,976 USD (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,153 USD at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.9ct natural radiant diamond

This 0.9ct natural radiant sits in the just-under-one-carat band, graded I 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 1429523395. Listed at 16 retailers as of October 30, 2026, with prices from $1,178 to $4,153, a $2,976 spread on the same certified stone. Moon Ocean lists it at $4,153. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1429523395
Dimensions6.15 × 4.66 × 3.24 mm
L/W Ratio1.32
Key to symbols
Crystal, Feather
Top View
6.15 mm4.66 mm0.90 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1429523395
Side View
Table 66.0%CrownGirdlePavilionCulet: NoneDepth 69.5%

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 30
Current: $4,153 USD|Low: $1,178 USD|High: $4,194 USD|Avg: $1,942 USD|-1.0%
Moon Ocean
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 30, 2026
Retailer 5$1,178 USD
Retailer 7$1,330 USD
Retailer 18$1,476 USD
Retailer 10$1,483 USD
Retailer 9$1,507 USD
Retailer 6$1,530 USD
Retailer 3$1,580 USD
Retailer 14$1,600 USD
Retailer 15$1,600 USD
Retailer 13$1,674 USD
Retailer 4$1,736 USD
Retailer 2$1,792 USD
Retailer 17$1,846 USD
Retailer 12$2,182 USD
Retailer 8$2,314 USD
Retailer 11$2,818 USD
Retailer 16$3,903 USD
Moon Ocean$4,153 USD

24 data points across 18 retailers

16 retailers$1,178 USD to $4,153 USD

A
Cheapest Retailer
-
$1,178 USD
HK$9,200 HKD
B+
Retailer 2
-
$1,476 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,483 USD
View
B+
Retailer 4
-
$1,530 USD
View
B+
Retailer 5
-
$1,580 USD
View
B+
Retailer 6
-
$1,600 USD
View
B+
Retailer 7
-
$1,600 USD
View
B+
Retailer 8
-
$1,652 USD
SGD 2,232 SGD
View
B+
Retailer 9
-
$1,674 USD
View
B+
Retailer 10
-
$1,736 USD
View
B+
Retailer 11
-
$1,792 USD
£1,411 GBP
View
B+
Retailer 12
-
$1,846 USD
View
B+
Retailer 13
-
$2,182 USD
€2,078 EUR
View
B
Retailer 14
-
$2,818 USD
£2,219 GBP
View
B
Retailer 15
-
$3,903 USD
View
Most Expensive
B
Moon Ocean
NVN-26569F29B-395 · Oct 30
$4,153 USD
£3,270 GBP
View
15 more retailers have this diamond
Prices start from $1,178 USDSave up to $2,976 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
0.90ct Radiant
$1,178 USD