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Heart|Lab Grown|IGI

12.13ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG628489578

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG628489578

Diamond specifications and retailer prices

From $5,579 SGD
£3,435 GBP
As of November 2, 2026
Save $19,281 SGD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $24,860 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.13ct lab-grown heart diamond

This 12.13ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG628489578 or 628489578. Listed at 20 retailers as of October 31, 2026, with prices from $5,579 to $24,860, a $19,281 spread on the same certified stone. Taylor and Hart lists it at $24,860. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.13
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628489578
Dimensions13.66 × 16.11 × 9.45 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
13.66 mm16.11 mm12.13 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628489578
Side View
Table 62.0%Crown 37.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 58.7%

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 2
Current: $5,579 SGD|Low: $5,577 SGD|High: $19,308 SGD|Avg: $10,226 SGD|-1.2%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 1$5,579 SGD
Retailer 15$5,989 SGD
Retailer 5$6,707 SGD
Retailer 4$6,947 SGD
Retailer 16$6,947 SGD
Retailer 12$6,951 SGD
Retailer 8$7,022 SGD
Retailer 3$8,680 SGD
Retailer 14$8,872 SGD
Retailer 9$9,033 SGD
Retailer 2$10,741 SGD
Retailer 13$10,752 SGD
Retailer 11$13,031 SGD
Retailer 10$13,159 SGD
Retailer 7$19,146 SGD
Retailer 6$19,308 SGD

40 data points across 16 retailers

20 retailers$5,579 SGD to $24,860 SGD

A
Cheapest Retailer
-
$5,579 SGD
£3,435 GBP
A
Retailer 2
-
$5,989 SGD
$4,683 USD
View
A
Retailer 3
-
$6,276 SGD
$4,907 USD
View
A
Retailer 4
-
$6,613 SGD
HK$40,400 HKD
View
A
Retailer 5
-
$6,707 SGD
$5,244 USD
View
Final sale: no returns
A
Retailer 6
-
$6,947 SGD
$5,432 USD
View
Retailer 7
-
$6,947 SGD
$5,432 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
$6,951 SGD
$5,435 USD
View
A
Retailer 9
-
$7,022 SGD
$5,491 USD
View
B+
Retailer 10
-
$8,680 SGD
$6,787 USD
View
B+
Retailer 11
-
$8,872 SGD
$6,937 USD
View
B+
Retailer 12
-
$9,033 SGD
£5,561 GBP
View
B+
Retailer 13
-
$10,741 SGD
$8,399 USD
View
B+
Retailer 14
-
$10,752 SGD
ZAR 135,824 ZAR
View
B
Retailer 15
-
$12,110 SGD
$9,469 USD
View
B
Retailer 16
-
$13,031 SGD
$10,189 USD
View
B
Retailer 17
-
$13,159 SGD
A$15,830 AUD
View
B
Retailer 18
-
$19,146 SGD
View
B
Retailer 19
-
$19,308 SGD
$15,097 USD
View
Most Expensive
B
Taylor and Hart
7TQ4J77 · Oct 31
$24,860 SGD
$19,438 USD
View
19 more retailers have this diamond
Prices start from $5,579 SGDSave up to $19,281 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
12.13ct Heart
$5,579 SGD