CaratHunter
Plans
Marquise|Lab Grown|IGI

1.91ct F IF Marquise Lab Grown Diamond

VG • F/IF • IGI LG627482530

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG627482530

Diamond specifications and retailer prices

From $774 SGD
$605 USD
As of November 2, 2026
Save $3,389 SGD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,163 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG627482530 or 627482530. Listed at 20 retailers as of November 1, 2026, with prices from $774 to $4,163, a $3,389 spread on the same certified stone. MOH London lists it at $4,163. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.91
Carat
F
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627482530
Dimensions12.41 × 6.47 × 4.08 mm
L/W Ratio1.92
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
12.41 mm6.47 mm1.91 ctF / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627482530
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.1%

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: Nov 2
Current: $4,163 SGD|Low: $774 SGD|High: $4,244 SGD|Avg: $2,241 SGD|-0.7%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 20$774 SGD
Retailer 14$866 SGD
Retailer 6$959 SGD
Retailer 18$959 SGD
Retailer 13$987 SGD
Retailer 15$1,125 SGD
Retailer 5$1,247 SGD
Retailer 12$1,326 SGD
Retailer 7$1,472 SGD
Retailer 2$1,648 SGD
Retailer 19$2,099 SGD
Retailer 16$2,379 SGD
Retailer 4$2,522 SGD
Retailer 9$2,787 SGD
Retailer 8$3,060 SGD
Retailer 3$3,097 SGD
Retailer 17$3,549 SGD
Retailer 11$3,853 SGD
Retailer 10$3,969 SGD
MOH London$4,163 SGD

36 data points across 20 retailers

20 retailers$774 SGD to $4,163 SGD

A
Cheapest Retailer
-
$774 SGD
$605 USD
A
Retailer 2
-
$866 SGD
$677 USD
View
A
Retailer 3
-
$959 SGD
$750 USD
View
Retailer 4
-
$959 SGD
$750 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$987 SGD
£608 GBP
View
A
Retailer 6
-
$1,125 SGD
$880 USD
View
A
Retailer 7
-
$1,247 SGD
$975 USD
View
Retailer 8
-
$1,326 SGD
HK$8,100 HKD
View
Price last confirmed 59 days ago
A
Retailer 9
-
$1,472 SGD
$1,151 USD
View
A
Retailer 10
-
$1,648 SGD
ZAR 20,817 ZAR
View
B+
Retailer 11
-
$2,099 SGD
$1,641 USD
View
B+
Retailer 12
-
$2,379 SGD
$1,860 USD
View
B+
Retailer 13
-
$2,522 SGD
$1,972 USD
View
B+
Retailer 14
-
$2,787 SGD
£1,716 GBP
View
B
Retailer 15
-
$3,060 SGD
$2,393 USD
View
B
Retailer 16
-
$3,097 SGD
$2,421 USD
View
B
Retailer 17
-
$3,549 SGD
$2,775 USD
View
Retailer 18
-
$3,853 SGD
View
Price last confirmed 25 days ago
Retailer 19
-
$3,969 SGD
A$4,774 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG627482530 · Nov 1
$4,163 SGD
£2,563 GBP
View
19 more retailers have this diamond
Prices start from $774 SGDSave up to $3,389 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
1.91ct Marquise
$774 SGD