CaratHunter
Plans
Marquise|Lab Grown|IGI

1.28ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG762546058

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762546058

Diamond specifications and retailer prices

From $751 SGD
As of November 4, 2026
Save $2,008 SGD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,225 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762546058 or 762546058. Listed at 14 retailers as of November 4, 2026, with a 267% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762546058
Dimensions11.64 × 5.62 × 3.51 mm
L/W Ratio2.07
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
11.64 mm5.62 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762546058
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 4
Current: $3,225 SGD|Low: $751 SGD|High: $4,330 SGD|Avg: $2,038 SGD|-1.4%
Rare Carat
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
November 5, 2026
Retailer 10$751 SGD
Retailer 12$798 SGD
Retailer 2$869 SGD
Retailer 8$1,008 SGD
Retailer 6$1,061 SGD
Retailer 13$1,294 SGD
Retailer 4$1,312 SGD
Retailer 3$1,475 SGD
Retailer 5$1,525 SGD
Retailer 14$2,018 SGD
Retailer 9$2,202 SGD
Retailer 7$2,452 SGD
Retailer 11$2,759 SGD
Rare Carat$3,225 SGD

41 data points across 14 retailers

14 retailers$751 SGD to $2,759 SGD

A
Cheapest Retailer
-
$751 SGD
A
Retailer 2
-
$798 SGD
View
A
Retailer 3
-
$869 SGD
View
A
Retailer 4
-
$1,008 SGD
View
A
Retailer 5
-
$1,061 SGD
View
A
Retailer 6
-
$1,294 SGD
View
Retailer 7
-
$1,312 SGD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$1,475 SGD
View
B+
Retailer 9
-
$1,525 SGD
View
B+
Retailer 10
-
$2,018 SGD
View
B+
Retailer 11
-
$2,202 SGD
View
B+
Retailer 12
-
$2,452 SGD
View
B
Retailer 13
-
$2,759 SGD
View
Most Expensive
Rare Carat
49728 · Oct 28
$3,225 SGD
$2,525 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $751 SGDSave up to $2,008 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
1.28ct Marquise
$751 SGD