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Round|Natural|GIA

5.28ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5181005422

Certificate GIA 5181005422

Diamond specifications and retailer prices

From $81,457 SGD
$63,718 USD
As of October 30, 2026
Save $29,700 SGD (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $111,158 SGD at Yorxs · As of October 31, 2026
View at Yorxs

About this 5.28ct natural round diamond

This 5.28ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5181005422. Listed at 7 retailers as of October 30, 2026, with prices from $81,457 to $111,158, a $29,700 spread on the same certified stone. Yorxs lists it at $111,158. 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

5.28
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5181005422
Dimensions11.31 × 11.35 × 6.84 mm
L/W Ratio1.00
Top View
11.31 mm11.35 mm5.28 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5181005422
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.4%

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: $84,703 SGD|Low: $81,457 SGD|High: $111,158 SGD|Avg: $94,059 SGD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Yorxs
October 31, 2026
Retailer 3$81,457 SGD
Retailer 1$84,703 SGD
Retailer 2$100,702 SGD
Yorxs$111,158 SGD

46 data points across 4 retailers

7 retailers$81,457 SGD to $111,158 SGD

A
Cheapest Retailer
-
$81,457 SGD
$63,718 USD
A
Retailer 2
-
$83,977 SGD
$65,689 USD
View
A
Retailer 3
-
$84,703 SGD
₹6,310,215 INR
View
A
Retailer 4
-
$84,772 SGD
$66,311 USD
View
A
Retailer 5
-
$85,198 SGD
$66,644 USD
View
B+
Retailer 6
-
$100,702 SGD
£62,025 GBP
View
Most Expensive
B+
Yorxs
RB4625 · Oct 31
$111,158 SGD
€82,810 EUR
View
6 more retailers have this diamond
Prices start from $81,457 SGDSave up to $29,700 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
5.28ct Round
$81,457 SGD