CaratHunter
Plans
Marquise|Lab Grown|IGI

1.85ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG778690171

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778690171

Diamond specifications and retailer prices

From $373 SGD
$292 USD
As of October 30, 2026
Save $1,880 SGD (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,254 SGD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 1.85ct lab-grown marquise diamond

This 1.85ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778690171 or 778690171. Listed at 6 retailers as of October 30, 2026, with prices from $373 to $2,254, a $1,880 spread on the same certified stone. Frank Darling lists it at $2,254. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778690171
Dimensions13.20 × 6.31 × 3.97 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Top View
13.20 mm6.31 mm1.85 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778690171
Side View
Table 56.0%Crown 34.7°Girdle: ThinPavilion 40.4°Culet: NoneDepth 62.9%

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 30
Current: $2,254 SGD|Low: $229 SGD|High: $2,254 SGD|Avg: $1,038 SGD|-0.0%
Frank Darling
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
October 30, 2026
Retailer 5$229 SGD
Retailer 8$373 SGD
Retailer 9$552 SGD
Retailer 14$678 SGD
Retailer 13$689 SGD
Retailer 12$743 SGD
Retailer 11$760 SGD
Retailer 4$940 SGD
Retailer 7$1,066 SGD
Retailer 6$1,162 SGD
Retailer 15$1,404 SGD
Retailer 2$1,471 SGD
Retailer 10$1,726 SGD
Retailer 3$1,782 SGD
Frank Darling$2,254 SGD

12 data points across 15 retailers

6 retailers$373 SGD to $2,254 SGD

A
Cheapest Retailer
-
$373 SGD
$292 USD
Final sale: no returns
B+
Retailer 2
-
$552 SGD
$432 USD
View
Retailer 3
-
$1,066 SGD
A$1,283 AUD
View
Price last confirmed 121 days ago
B+
Retailer 4
-
$1,471 SGD
$1,151 USD
View
B
Retailer 5
-
$1,726 SGD
$1,350 USD
View
Most Expensive
B
Frank Darling
100752819164KD · Oct 31
$2,254 SGD
$1,763 USD
View
5 more retailers have this diamond
Prices start from $373 SGDSave up to $1,880 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
1.85ct Marquise
$373 SGD