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0.91ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG541250595

Shape and cutting style on the report: Round brilliant

Certificate IGI LG541250595

Diamond specifications and retailer prices

From $242 SGD
$189 USD
As of October 29, 2026
Save $1,171 SGD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,413 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown round diamond

This 0.91ct lab-grown round sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541250595 or 541250595. Listed at 17 retailers as of October 29, 2026, with prices from $242 to $1,413, a $1,171 spread on the same certified stone. MOH London lists it at $1,413. 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

0.91
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541250595
Dimensions6.27 × 6.22 × 3.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.27 mm6.22 mm0.91 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541250595
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,413 SGD|Low: $233 SGD|High: $1,423 SGD|Avg: $572 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$242 SGD
Retailer 10$272 SGD
Retailer 7$301 SGD
Retailer 8$408 SGD
Retailer 3$508 SGD
Retailer 4$542 SGD
Retailer 2$598 SGD
Retailer 9$601 SGD
Retailer 5$971 SGD
MOH London$1,413 SGD

42 data points across 10 retailers

17 retailers$242 SGD to $1,413 SGD

A
Cheapest Retailer
-
$242 SGD
$189 USD
A
Retailer 2
-
$272 SGD
$212 USD
View
Final sale: no returns
A
Retailer 3
-
$281 SGD
$219 USD
View
A
Retailer 4
-
$301 SGD
$235 USD
View
A
Retailer 5
-
$301 SGD
$235 USD
View
A
Retailer 6
-
$345 SGD
HK$2,100 HKD
View
A
Retailer 7
-
$362 SGD
$282 USD
View
A
Retailer 8
-
$408 SGD
$318 USD
View
A
Retailer 9
-
$508 SGD
€377 EUR
View
B+
Retailer 10
-
$542 SGD
£333 GBP
View
B+
Retailer 11
-
$545 SGD
$425 USD
View
Price last confirmed 43 days ago
B+
Retailer 12
-
$598 SGD
£367 GBP
View
B+
Retailer 13
-
$601 SGD
$469 USD
View
B+
Retailer 14
-
$820 SGD
View
B
Retailer 15
-
$967 SGD
$754 USD
View
B
Retailer 16
-
$971 SGD
$757 USD
View
Most Expensive
B
MOH London
LG541250595 · Oct 29
$1,413 SGD
£868 GBP
View
16 more retailers have this diamond
Prices start from $242 SGDSave up to $1,171 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
0.91ct Round
$242 SGD