CaratHunter
Plans
Marquise|Lab Grown|IGI

1.53ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG809685426

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809685426

Diamond specifications and retailer prices

From $486 SGD
€362 EUR
As of October 27, 2026
Save $1,688 SGD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,174 SGD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.53ct lab-grown marquise diamond

This 1.53ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG809685426 or 809685426. Listed at 16 retailers as of October 27, 2026, with prices from $486 to $2,174, a $1,688 spread on the same certified stone. Brilliant Earth lists it at $2,174. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809685426
Dimensions11.84 × 5.94 × 3.74 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm5.94 mm1.53 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG809685426
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.0%

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: $2,174 SGD|Low: $234 SGD|High: $2,238 SGD|Avg: $925 SGD|-2.9%
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 27, 2026
Retailer 11$251 SGD
Retailer 3$377 SGD
Retailer 6$483 SGD
Retailer 2$486 SGD
Retailer 4$499 SGD
Retailer 10$593 SGD
Retailer 8$679 SGD
Retailer 7$709 SGD
Retailer 12$967 SGD
Retailer 13$1,189 SGD
Retailer 5$1,233 SGD
Retailer 9$1,429 SGD
Brilliant Earth$2,174 SGD

33 data points across 13 retailers

16 retailers$486 SGD to $2,174 SGD

Retailer 1
-
$302 SGD
$236 USD
Price last confirmed 25 days ago
Retailer 2
-
$350 SGD
$274 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$375 SGD
$293 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$377 SGD
$295 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$483 SGD
£298 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
$486 SGD
€362 EUR
View
Retailer 7
-
$499 SGD
£307 GBP
View
Price last confirmed 17 days ago
Retailer 8
-
$593 SGD
$464 USD
View
Price last confirmed 9 days ago
Retailer 9
-
$679 SGD
$531 USD
View
Price last confirmed 10 days ago
Retailer 10
-
$709 SGD
$554 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$967 SGD
$756 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$1,189 SGD
$930 USD
View
Price last confirmed 15 days ago
Retailer 13
-
$1,202 SGD
$940 USD
View
Price last confirmed 33 days ago
Retailer 14
-
$1,233 SGD
£759 GBP
View
Price last confirmed 18 days ago
Retailer 15
-
$1,429 SGD
$1,117 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20610791A · Oct 27
$2,174 SGD
$1,700 USD
View
15 more retailers have this diamond
Prices start from $486 SGDSave up to $1,688 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
1.53ct Marquise
$486 SGD