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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG800679282

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679282

Diamond specifications and retailer prices

From $1,456 SGD
HK$8,900 HKD
As of October 31, 2026
Save $3,108 SGD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,564 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679282 or 800679282. Listed at 12 retailers as of October 31, 2026, with prices from $1,456 to $4,564, a $3,108 spread on the same certified stone. Brilliant Earth lists it at $4,564. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679282
Dimensions11.67 × 5.97 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
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
11.67 mm5.97 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679282
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.6%

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: $4,564 SGD|Low: $1,456 SGD|High: $5,901 SGD|Avg: $3,205 SGD|-10.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$1,456 SGD
Retailer 9$1,519 SGD
Retailer 10$1,803 SGD
Retailer 2$1,830 SGD
Retailer 4$1,915 SGD
Retailer 6$2,308 SGD
Retailer 8$3,058 SGD
Retailer 3$4,126 SGD
Retailer 5$4,494 SGD
Retailer 11$4,515 SGD
Brilliant Earth$4,564 SGD

41 data points across 11 retailers

12 retailers$1,456 SGD to $4,564 SGD

A
Cheapest Retailer
-
$1,456 SGD
HK$8,900 HKD
A
Retailer 2
-
$1,519 SGD
$1,188 USD
View
A
Retailer 3
-
$1,803 SGD
$1,410 USD
View
A
Retailer 4
-
$1,830 SGD
£1,127 GBP
View
A
Retailer 5
-
$1,915 SGD
€1,427 EUR
View
B+
Retailer 6
-
$2,308 SGD
A$2,778 AUD
View
Retailer 7
-
$3,058 SGD
$2,392 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$4,063 SGD
$3,178 USD
View
Price last confirmed 90 days ago
B
Retailer 9
-
$4,126 SGD
$3,227 USD
View
B
Retailer 10
-
$4,494 SGD
£2,768 GBP
View
B
Retailer 11
-
$4,515 SGD
$3,532 USD
View
Most Expensive
B
Brilliant Earth
20788119A · Oct 31
$4,564 SGD
$3,570 USD
View
11 more retailers have this diamond
Prices start from $1,456 SGDSave up to $3,108 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
1.51ct Marquise
$1,456 SGD