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Heart|Lab Grown|IGI

1.03ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG621435339

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG621435339

Diamond specifications and retailer prices

From $308 SGD
$241 USD
As of October 30, 2026
Save $1,212 SGD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,646 SGD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621435339 or 621435339. Listed at 22 retailers as of October 29, 2026, with a 393% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621435339
Dimensions6.15 × 7.25 × 4.10 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.15 mm7.25 mm1.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621435339
Side View
Table 58.0%Crown 32°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 56.6%

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 30
Current: $2,646 SGD|Low: $260 SGD|High: $2,928 SGD|Avg: $884 SGD|+0.5%
Do Amore Diamonds
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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 9$270 SGD
Retailer 5$308 SGD
Retailer 18$359 SGD
Retailer 7$409 SGD
Retailer 17$409 SGD
Retailer 4$459 SGD
Retailer 11$505 SGD
Retailer 16$614 SGD
Retailer 8$629 SGD
Retailer 2$708 SGD
Retailer 14$920 SGD
Retailer 13$923 SGD
Retailer 15$1,102 SGD
Retailer 6$1,425 SGD
Retailer 3$1,431 SGD
Retailer 12$1,520 SGD
Retailer 10$1,572 SGD
Do Amore Diamonds$2,646 SGD

44 data points across 18 retailers

22 retailers$308 SGD to $1,520 SGD

Retailer 1
-
$270 SGD
$211 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$308 SGD
$241 USD
View
Final sale: no returns
Retailer 3
-
$313 SGD
$245 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$359 SGD
$281 USD
View
Retailer 5
-
$409 SGD
$320 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$409 SGD
$320 USD
View
A
Retailer 7
-
$459 SGD
$359 USD
View
B+
Retailer 8
-
$505 SGD
£311 GBP
View
Retailer 9
-
$614 SGD
$480 USD
View
Price last confirmed 5 days ago
Retailer 10
-
$629 SGD
ZAR 7,955 ZAR
View
Price last confirmed 12 days ago
Retailer 11
-
$696 SGD
£429 GBP
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$708 SGD
£436 GBP
View
B
Retailer 13
-
$920 SGD
A$1,107 AUD
View
B
Retailer 14
-
$923 SGD
A$1,111 AUD
View
B
Retailer 15
-
$1,067 SGD
CA$1,159 CAD
View
B
Retailer 16
-
$1,102 SGD
$862 USD
View
Retailer 17
-
$1,189 SGD
$930 USD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$1,425 SGD
View
B
Retailer 19
-
$1,431 SGD
$1,120 USD
View
B
Retailer 20
-
$1,520 SGD
£936 GBP
View
Retailer 21
-
$1,572 SGD
$1,230 USD
View
Price last confirmed 13 days ago
Most Expensive
Do Amore Diamonds
27-922746128 · Oct 30
$2,646 SGD
$2,070 USD
View
Price under review
21 more retailers have this diamond
Prices start from $308 SGDSave up to $1,212 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
1.03ct Heart
$308 SGD