CaratHunter
Plans
Marquise|Lab Grown|IGI

1.58ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG812620132

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812620132

Diamond specifications and retailer prices

From $806 SGD
$629 USD
As of October 27, 2026
Save $3,156 SGD (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,345 SGD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.58ct lab-grown marquise diamond

This 1.58ct 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 LG812620132 or 812620132. Listed at 25 retailers as of October 27, 2026, with a 391% 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

1.58
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620132
Dimensions11.69 × 6.14 × 3.85 mm
L/W Ratio1.90
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
11.69 mm6.14 mm1.58 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620132
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 27
Current: $4,345 SGD|Low: $782 SGD|High: $4,345 SGD|Avg: $1,808 SGD
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
October 30, 2026
Retailer 3$806 SGD
Retailer 19$878 SGD
Retailer 4$902 SGD
Retailer 13$936 SGD
Retailer 15$945 SGD
Retailer 10$1,040 SGD
Retailer 9$1,109 SGD
Retailer 6$1,350 SGD
Retailer 5$1,407 SGD
Retailer 8$1,534 SGD
Retailer 21$1,556 SGD
Retailer 2$1,568 SGD
Retailer 17$1,719 SGD
Retailer 11$2,351 SGD
Retailer 14$2,413 SGD
Retailer 18$2,630 SGD
Retailer 22$3,016 SGD
Retailer 12$3,115 SGD
Retailer 7$3,229 SGD
Retailer 20$3,286 SGD
Retailer 16$3,962 SGD
Brilliant Earth$4,345 SGD

33 data points across 22 retailers

25 retailers$806 SGD to $3,962 SGD

A
Cheapest Retailer
-
$806 SGD
$629 USD
A
Retailer 2
-
$878 SGD
$685 USD
View
A
Retailer 3
-
$902 SGD
$704 USD
View
Final sale: no returns
A
Retailer 4
-
$936 SGD
$730 USD
View
Retailer 5
-
$945 SGD
$737 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$1,040 SGD
£639 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,109 SGD
$865 USD
View
A
Retailer 8
-
$1,350 SGD
$1,053 USD
View
A
Retailer 9
-
$1,407 SGD
$1,098 USD
View
A
Retailer 10
-
$1,534 SGD
€1,140 EUR
View
A
Retailer 11
-
$1,556 SGD
$1,214 USD
View
A
Retailer 12
-
$1,568 SGD
£963 GBP
View
A
Retailer 13
-
$1,719 SGD
ZAR 21,665 ZAR
View
Retailer 14
-
$2,351 SGD
A$2,822 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$2,389 SGD
$1,864 USD
View
B+
Retailer 16
-
$2,413 SGD
$1,883 USD
View
B+
Retailer 17
-
$2,630 SGD
$2,052 USD
View
Retailer 18
-
$2,930 SGD
£1,800 GBP
View
Price last confirmed 18 days ago
B+
Retailer 19
-
$3,016 SGD
$2,353 USD
View
B+
Retailer 20
-
$3,115 SGD
$2,430 USD
View
B+
Retailer 21
-
$3,223 SGD
$2,515 USD
View
B+
Retailer 22
-
$3,229 SGD
$2,520 USD
View
B+
Retailer 23
-
$3,286 SGD
$2,563 USD
View
B
Retailer 24
-
$3,962 SGD
£2,434 GBP
View
Most Expensive
Brilliant Earth
20677445A · Oct 22
$4,345 SGD
$3,390 USD
View
Price last confirmed 7 days ago
24 more retailers have this diamond
Prices start from $806 SGDSave up to $3,156 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
1.58ct Marquise
$806 SGD