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Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG707522054

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG707522054

Diamond specifications and retailer prices

From $399 SGD
$312 USD
As of November 1, 2026
Save $419 SGD (51%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $818 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG707522054 or 707522054. Listed at 5 retailers as of October 31, 2026, with prices from $399 to $818, a $419 spread on the same certified stone. Brilliant Earth lists it at $818. 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
SymmetryVery Good
FluorescenceNone
Crown angle37.9°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707522054
Dimensions6.70 × 6.26 × 4.06 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.70 mm6.26 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG707522054
Side View
Table 64.0%Crown 37.9°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 60.6%

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: Nov 1
Current: $818 SGD|Low: $362 SGD|High: $844 SGD|Avg: $648 SGD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4$399 SGD
Retailer 2$478 SGD
Retailer 9$512 SGD
Retailer 6$524 SGD
Retailer 3$713 SGD
Retailer 8$757 SGD
Retailer 5$774 SGD
Retailer 7$782 SGD
Brilliant Earth$818 SGD

13 data points across 9 retailers

5 retailers$399 SGD to $818 SGD

A
Cheapest Retailer
-
$399 SGD
$312 USD
B+
Retailer 2
-
$478 SGD
€356 EUR
View
B
Retailer 3
-
$713 SGD
$558 USD
View
B
Retailer 4
-
$774 SGD
View
Most Expensive
B
Brilliant Earth
14922831A · Oct 31
$818 SGD
$640 USD
View
4 more retailers have this diamond
Prices start from $399 SGDSave up to $419 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
$399 SGD