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Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG823616463

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823616463

Diamond specifications and retailer prices

From $199 SGD
$156 USD
As of October 30, 2026
Save $1,145 SGD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,345 SGD at Reve Diamonds · As of November 1, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG823616463 or 823616463. Listed at 15 retailers as of October 30, 2026, with prices from $199 to $1,345, a $1,145 spread on the same certified stone. Reve Diamonds lists it at $1,345. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823616463
Dimensions6.86 × 6.02 × 4.13 mm
L/W Ratio1.14
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
6.86 mm6.02 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823616463
Side View
Table 64.0%Crown 37.4°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 60.2%

Caratlytics Score

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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 30
Current: $230 SGD|Low: $192 SGD|High: $1,348 SGD|Avg: $549 SGD|+1.1%
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 4$199 SGD
Retailer 7$222 SGD
Retailer 1$230 SGD
Retailer 14$247 SGD
Retailer 6$248 SGD
Retailer 11$407 SGD
Retailer 10$428 SGD
Retailer 12$449 SGD
Retailer 13$468 SGD
Retailer 3$653 SGD
Retailer 9$793 SGD
Retailer 5$805 SGD
Retailer 2$863 SGD
Retailer 8$1,153 SGD
Reve Diamonds$1,345 SGD

43 data points across 15 retailers

15 retailers$199 SGD to $1,345 SGD

A
Cheapest Retailer
-
$199 SGD
$156 USD
A
Retailer 2
-
$222 SGD
$174 USD
View
Final sale: no returns
A
Retailer 3
-
$230 SGD
$180 USD
View
A
Retailer 4
-
$247 SGD
$193 USD
View
Retailer 5
-
$248 SGD
$194 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$407 SGD
$318 USD
View
B+
Retailer 7
-
$428 SGD
£264 GBP
View
B+
Retailer 8
-
$449 SGD
$351 USD
View
B+
Retailer 9
-
$468 SGD
£288 GBP
View
B
Retailer 10
-
$653 SGD
$511 USD
View
B
Retailer 11
-
$793 SGD
$620 USD
View
B
Retailer 12
-
$805 SGD
$630 USD
View
B
Retailer 13
-
$863 SGD
$675 USD
View
B
Retailer 14
-
$1,153 SGD
£710 GBP
View
Most Expensive
B
Reve Diamonds
AED661E6E · Nov 1
$1,345 SGD
$1,052 USD
View
14 more retailers have this diamond
Prices start from $199 SGDSave up to $1,145 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
$199 SGD