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Marquise|Lab Grown|IGI

1.59ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG800679631

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679631

Diamond specifications and retailer prices

From $1,538 SGD
HK$9,400 HKD
As of October 30, 2026
Save $3,243 SGD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,781 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.59ct lab-grown marquise diamond

This 1.59ct 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 LG800679631 or 800679631. Listed at 12 retailers as of October 30, 2026, with prices from $1,538 to $4,781, a $3,243 spread on the same certified stone. Brilliant Earth lists it at $4,781. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679631
Dimensions12.14 × 6.06 × 3.84 mm
L/W Ratio2.00
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
12.14 mm6.06 mm1.59 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679631
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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 30
Current: $4,781 SGD|Low: $1,063 SGD|High: $5,390 SGD|Avg: $3,111 SGD|-10.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 5$1,063 SGD
Retailer 9$1,538 SGD
Retailer 12$1,662 SGD
Retailer 13$1,892 SGD
Retailer 2$1,926 SGD
Retailer 6$2,015 SGD
Retailer 7$2,304 SGD
Retailer 11$3,220 SGD
Retailer 10$3,922 SGD
Retailer 4$4,345 SGD
Retailer 8$4,705 SGD
Retailer 3$4,754 SGD
Brilliant Earth$4,781 SGD

43 data points across 13 retailers

12 retailers$1,538 SGD to $4,781 SGD

A
Cheapest Retailer
-
$1,538 SGD
HK$9,400 HKD
A
Retailer 2
-
$1,662 SGD
$1,300 USD
View
A
Retailer 3
-
$1,892 SGD
$1,480 USD
View
A
Retailer 4
-
$1,926 SGD
£1,187 GBP
View
A
Retailer 5
-
$2,015 SGD
€1,501 EUR
View
B+
Retailer 6
-
$2,304 SGD
ZAR 29,118 ZAR
View
B+
Retailer 7
-
$3,220 SGD
$2,519 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$3,922 SGD
$3,068 USD
View
B
Retailer 9
-
$4,345 SGD
$3,399 USD
View
B
Retailer 10
-
$4,705 SGD
£2,898 GBP
View
B
Retailer 11
-
$4,754 SGD
$3,719 USD
View
Most Expensive
B
Brilliant Earth
20936672A · Oct 30
$4,781 SGD
$3,740 USD
View
11 more retailers have this diamond
Prices start from $1,538 SGDSave up to $3,243 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
1.59ct Marquise
$1,538 SGD