Round|Natural|IGI

5.57ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 811694510

Shape and cutting style on the report: Round brilliant

Certificate IGI 811694510

Diamond specifications and retailer prices

From $74,348 SGD
₹5,538,772 INR
As of October 31, 2026
Save $61,209 SGD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $135,557 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 5.57ct natural round diamond

This 5.57ct natural round sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 811694510. Listed at 6 retailers as of October 29, 2026, with prices from $74,348 to $135,557, a $61,209 spread on the same certified stone. MOH London lists it at $135,557. 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

5.57
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 811694510
Dimensions11.34 × 11.43 × 7.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
11.34 mm11.43 mm5.57 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811694510
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 61.7%

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: $135,557 SGD|Low: $74,158 SGD|High: $135,557 SGD|Avg: $94,284 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2$74,348 SGD
Retailer 5$82,534 SGD
Retailer 3$86,462 SGD
Retailer 6$87,099 SGD
Retailer 4$101,922 SGD
MOH London$135,557 SGD

17 data points across 6 retailers

6 retailers$74,348 SGD to $135,557 SGD

A
Cheapest Retailer
-
$74,348 SGD
₹5,538,772 INR
A
Retailer 2
-
$82,534 SGD
$64,560 USD
View
A
Retailer 3
-
$86,462 SGD
£53,254 GBP
View
A
Retailer 4
-
$87,099 SGD
$68,131 USD
View
B+
Retailer 5
-
$101,922 SGD
€75,930 EUR
View
Most Expensive
B
MOH London
379C3949B · Oct 29
$135,557 SGD
£83,493 GBP
View
5 more retailers have this diamond
Prices start from $74,348 SGDSave up to $61,209 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
5.57ct Round
$74,348 SGD