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Heart|Lab Grown|IGI

1.81ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG678590671

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG678590671

Diamond specifications and retailer prices

From $456 SGD
$356 USD
As of October 27, 2026
Save $2,389 SGD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,845 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.81ct lab-grown heart diamond

This 1.81ct lab-grown heart 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 LG678590671 or 678590671. Listed at 12 retailers as of October 27, 2026, with prices from $456 to $2,845, a $2,389 spread on the same certified stone. Brilliant Earth lists it at $2,845. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678590671
Dimensions7.73 × 8.42 × 4.98 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Top View
7.73 mm8.42 mm1.81 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678590671
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,845 SGD|Low: $511 SGD|High: $3,332 SGD|Avg: $1,602 SGD|-14.6%
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
October 29, 2026
Retailer 14$511 SGD
Retailer 15$755 SGD
Retailer 2$879 SGD
Retailer 13$907 SGD
Retailer 9$910 SGD
Retailer 5$1,152 SGD
Retailer 7$1,236 SGD
Retailer 8$1,313 SGD
Retailer 11$1,659 SGD
Retailer 12$1,819 SGD
Retailer 3$2,124 SGD
Retailer 10$2,222 SGD
Retailer 6$2,494 SGD
Retailer 4$2,608 SGD
Brilliant Earth$2,845 SGD

24 data points across 15 retailers

12 retailers$456 SGD to $2,845 SGD

A
Cheapest Retailer
-
$456 SGD
$356 USD
A
Retailer 2
-
$511 SGD
$399 USD
View
Final sale: no returns
A
Retailer 3
-
$529 SGD
$413 USD
View
A
Retailer 4
-
$755 SGD
HK$4,600 HKD
View
B+
Retailer 5
-
$879 SGD
€653 EUR
View
B+
Retailer 6
-
$907 SGD
$708 USD
View
B+
Retailer 7
-
$910 SGD
$710 USD
View
B+
Retailer 8
-
$1,313 SGD
A$1,576 AUD
View
B
Retailer 9
-
$1,659 SGD
$1,294 USD
View
B
Retailer 10
-
$1,819 SGD
$1,419 USD
View
B
Retailer 11
-
$2,222 SGD
£1,365 GBP
View
Most Expensive
B
Brilliant Earth
15435809A · Oct 28
$2,845 SGD
$2,220 USD
View
11 more retailers have this diamond
Prices start from $456 SGDSave up to $2,389 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
1.81ct Heart
$456 SGD