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Heart|Lab Grown|IGI

1.00ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG836642970

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836642970

Diamond specifications and retailer prices

From $195 SGD
$152 USD
As of October 27, 2026
Save $1,153 SGD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,348 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG836642970 or 836642970. Listed at 16 retailers as of October 27, 2026, with prices from $195 to $1,348, a $1,153 spread on the same certified stone. Reve Diamonds lists it at $1,348. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836642970
Dimensions6.93 × 5.97 × 4.16 mm
L/W Ratio1.16
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
6.93 mm5.97 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836642970
Side View
Table 54.0%Crown 32°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 60.0%

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: $246 SGD|Low: $187 SGD|High: $1,348 SGD|Avg: $615 SGD|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 30, 2026
Retailer 12$195 SGD
Retailer 1$246 SGD
Retailer 8$247 SGD
Retailer 4$370 SGD
Retailer 6$433 SGD
Retailer 5$450 SGD
Retailer 7$470 SGD
Retailer 11$633 SGD
Retailer 2$731 SGD
Retailer 3$777 SGD
Retailer 9$866 SGD
Retailer 10$1,136 SGD
Reve Diamonds$1,348 SGD

41 data points across 13 retailers

16 retailers$195 SGD to $1,348 SGD

A
Cheapest Retailer
-
$195 SGD
$152 USD
Retailer 2
-
$226 SGD
$176 USD
View
Price last confirmed 31 days ago
Retailer 3
-
$238 SGD
$186 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$242 SGD
$189 USD
View
A
Retailer 5
-
$246 SGD
$192 USD
View
Final sale: no returns
A
Retailer 6
-
$247 SGD
$193 USD
View
B+
Retailer 7
-
$370 SGD
$289 USD
View
B+
Retailer 8
-
$433 SGD
£266 GBP
View
B+
Retailer 9
-
$450 SGD
$351 USD
View
B+
Retailer 10
-
$470 SGD
£289 GBP
View
B+
Retailer 11
-
$633 SGD
$494 USD
View
B
Retailer 12
-
$731 SGD
$570 USD
View
B
Retailer 13
-
$777 SGD
$606 USD
View
B
Retailer 14
-
$866 SGD
$675 USD
View
B
Retailer 15
-
$1,136 SGD
£698 GBP
View
Most Expensive
B
Reve Diamonds
F0CE878DF · Oct 30
$1,348 SGD
$1,052 USD
View
15 more retailers have this diamond
Prices start from $195 SGDSave up to $1,153 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
1.00ct Heart
$195 SGD