CaratHunter
Plans
Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG762573614

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762573614

Diamond specifications and retailer prices

From $366 SGD
$286 USD
As of November 2, 2026
Save $1,655 SGD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,021 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.78ct lab-grown marquise diamond

This 1.78ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG762573614 or 762573614. Listed at 22 retailers as of November 2, 2026, with prices from $366 to $2,021, a $1,655 spread on the same certified stone. Brilliant Earth lists it at $2,021. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762573614
Dimensions12.87 × 6.36 × 3.84 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.87 mm6.36 mm1.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762573614
Side View
Table 59.0%Crown 32.2°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 60.4%

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: Nov 2
Current: $2,021 SGD|Low: $352 SGD|High: $2,136 SGD|Avg: $1,009 SGD|-5.4%
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
November 2, 2026
Retailer 17$366 SGD
Retailer 7$425 SGD
Retailer 3$454 SGD
Retailer 8$454 SGD
Retailer 4$533 SGD
Retailer 15$652 SGD
Retailer 10$782 SGD
Retailer 2$795 SGD
Retailer 16$807 SGD
Retailer 13$830 SGD
Retailer 14$1,055 SGD
Retailer 11$1,381 SGD
Retailer 6$1,393 SGD
Retailer 5$1,458 SGD
Retailer 9$1,744 SGD
Retailer 12$1,827 SGD
Brilliant Earth$2,021 SGD

35 data points across 17 retailers

22 retailers$366 SGD to $2,021 SGD

A
Cheapest Retailer
-
$366 SGD
$286 USD
A
Retailer 2
-
$425 SGD
$332 USD
View
Retailer 3
-
$454 SGD
$355 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$454 SGD
$355 USD
View
Retailer 5
-
$533 SGD
£328 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$611 SGD
$478 USD
View
A
Retailer 7
-
$652 SGD
$510 USD
View
A
Retailer 8
-
$782 SGD
ZAR 9,878 ZAR
View
A
Retailer 9
-
$795 SGD
£489 GBP
View
Retailer 10
-
$807 SGD
€601 EUR
View
Price last confirmed 8 days ago
A
Retailer 11
-
$830 SGD
A$998 AUD
View
A
Retailer 12
-
$893 SGD
$698 USD
View
A
Retailer 13
-
$897 SGD
$701 USD
View
A
Retailer 14
-
$1,055 SGD
A$1,269 AUD
View
B+
Retailer 15
-
$1,381 SGD
A$1,661 AUD
View
B+
Retailer 16
-
$1,393 SGD
$1,089 USD
View
B+
Retailer 17
-
$1,458 SGD
$1,140 USD
View
B+
Retailer 18
-
$1,521 SGD
$1,189 USD
View
B
Retailer 19
-
$1,744 SGD
$1,364 USD
View
B+
Retailer 20
-
$1,827 SGD
£1,125 GBP
View
B
Retailer 21
-
$1,894 SGD
$1,481 USD
View
Most Expensive
B
Brilliant Earth
20624835A · Nov 2
$2,021 SGD
$1,580 USD
View
21 more retailers have this diamond
Prices start from $366 SGDSave up to $1,655 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
1.78ct Marquise
$366 SGD