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Round|Lab Grown|IGI

0.91ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG805672612

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805672612

Diamond specifications and retailer prices

From $124 USD
As of October 26, 2026
Save $1,164 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,288 USD at MOH London · As of October 26, 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 LG805672612 or 805672612. Listed at 17 retailers as of October 26, 2026, with prices from $124 to $1,288, a $1,164 spread on the same certified stone. MOH London lists it at $1,288. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805672612
Dimensions6.20 × 6.12 × 3.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.20 mm6.12 mm0.91 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805672612
Side View
Table 56.0%Crown 35°Girdle: Slightly ThickPavilion 40.5°Culet: NoneDepth 62.1%

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 26
Current: $1,288 USD|Low: $119 USD|High: $1,314 USD|Avg: $379 USD|-2.0%
MOH London
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
October 31, 2026
Retailer 15$124 USD
Retailer 3$144 USD
Retailer 7$164 USD
Retailer 6$267 USD
Retailer 2$269 USD
Retailer 13$295 USD
Retailer 12$306 USD
Retailer 10$318 USD
Retailer 8$350 USD
Retailer 14$374 USD
Retailer 11$395 USD
Retailer 5$398 USD
Retailer 9$426 USD
Retailer 4$495 USD
MOH London$1,288 USD

43 data points across 15 retailers

17 retailers$124 USD to $1,288 USD

A
Cheapest Retailer
-
$124 USD
A
Retailer 2
-
$144 USD
View
Retailer 3
-
$164 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$179 USD
HK$1,400 HKD
View
A
Retailer 5
-
$267 USD
View
A
Retailer 6
-
$269 USD
€256 EUR
View
Retailer 7
-
$295 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$306 USD
£241 GBP
View
Price last confirmed 15 days ago
B+
Retailer 9
-
$318 USD
£250 GBP
View
A
Retailer 10
-
$350 USD
View
B+
Retailer 11
-
$374 USD
View
Retailer 12
-
$395 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$398 USD
View
B+
Retailer 14
-
$426 USD
SGD 576 SGD
View
Retailer 15
-
$450 USD
View
Price last confirmed 22 days ago
Retailer 16
-
$495 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG805672612 · Oct 26
$1,288 USD
£1,014 GBP
View
16 more retailers have this diamond
Prices start from $124 USDSave up to $1,164 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
0.91ct Round
$124 USD