CaratHunter
Plans
Marquise|Lab Grown|IGI

1.59ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790656718

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790656718

Diamond specifications and retailer prices

From $592 SGD
$462 USD
As of October 27, 2026
Save $3,445 SGD (85%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $4,037 SGD at Brilliant Earth · As of October 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790656718 or 790656718. Listed at 30 retailers as of October 27, 2026, with prices from $592 to $4,037, a $3,445 spread on the same certified stone. Brilliant Earth lists it at $4,037. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790656718
Dimensions12.27 × 6.12 × 12.27 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.27 mm6.12 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790656718
Side View
Table 57.0%Crown 32.8°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $4,037 SGD|Low: $663 SGD|High: $4,050 SGD|Avg: $1,927 SGD|-0.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 29, 2026
Retailer 23$663 SGD
Retailer 13$690 SGD
Retailer 6$734 SGD
Retailer 22$804 SGD
Retailer 19$916 SGD
Retailer 10$987 SGD
Retailer 9$1,137 SGD
Retailer 20$1,169 SGD
Retailer 24$1,198 SGD
Retailer 2$1,213 SGD
Retailer 18$1,262 SGD
Retailer 7$1,500 SGD
Retailer 4$1,701 SGD
Retailer 3$1,723 SGD
Retailer 15$2,149 SGD
Retailer 12$2,333 SGD
Retailer 8$2,361 SGD
Retailer 14$2,400 SGD
Retailer 5$2,577 SGD
Retailer 11$2,602 SGD
Retailer 21$2,700 SGD
Retailer 17$3,050 SGD
Retailer 16$3,198 SGD
Brilliant Earth$4,037 SGD

30 data points across 24 retailers

30 retailers$592 SGD to $4,037 SGD

A+
Cheapest Retailer
-
$592 SGD
$462 USD
A
Retailer 2
-
$663 SGD
$517 USD
View
A
Retailer 3
-
$690 SGD
$538 USD
View
Final sale: no returns
A
Retailer 4
-
$734 SGD
$573 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$734 SGD
$573 USD
View
A
Retailer 6
-
$804 SGD
HK$4,900 HKD
View
A
Retailer 7
-
$916 SGD
$715 USD
View
A
Retailer 8
-
$987 SGD
$770 USD
View
A
Retailer 9
-
$1,137 SGD
$887 USD
View
A
Retailer 10
-
$1,169 SGD
€869 EUR
View
A
Retailer 11
-
$1,198 SGD
A$1,438 AUD
View
A
Retailer 12
-
$1,213 SGD
£745 GBP
View
A
Retailer 13
-
$1,262 SGD
ZAR 15,906 ZAR
View
A
Retailer 14
-
$1,500 SGD
$1,170 USD
View
A
Retailer 15
-
$1,701 SGD
$1,327 USD
View
A
Retailer 16
-
$1,723 SGD
A$2,068 AUD
View
Price last confirmed 9 days ago
A
Retailer 17
-
$2,149 SGD
£1,320 GBP
View
B+
Retailer 18
-
$2,333 SGD
View
B+
Retailer 19
-
$2,361 SGD
$1,842 USD
View
B+
Retailer 20
-
$2,400 SGD
$1,872 USD
View
B+
Retailer 21
-
$2,470 SGD
$1,927 USD
View
B+
Retailer 22
-
$2,577 SGD
$2,011 USD
View
B+
Retailer 23
-
$2,602 SGD
$2,030 USD
View
B+
Retailer 24
-
$2,700 SGD
£1,659 GBP
View
B+
Retailer 25
-
$2,894 SGD
$2,258 USD
View
Price last confirmed 50 days ago
B+
Retailer 26
-
$3,050 SGD
$2,380 USD
View
Price last confirmed 22 days ago
B+
Retailer 27
-
$3,142 SGD
£1,930 GBP
View
B+
Retailer 28
-
$3,198 SGD
A$3,839 AUD
View
Price last confirmed 21 days ago
B
Retailer 29
-
$4,037 SGD
$3,150 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
20473735A · Oct 28
$4,037 SGD
$3,150 USD
View
29 more retailers have this diamond
Prices start from $592 SGDSave up to $3,445 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
$592 SGD