CaratHunter
Plans
Heart|Lab Grown|IGI

12.56ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG813643585

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG813643585

Diamond specifications and retailer prices

From $4,595 SGD
$3,594 USD
As of October 27, 2026
Save $14,192 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $18,787 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.56ct lab-grown heart diamond

This 12.56ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813643585 or 813643585. Listed at 16 retailers as of October 27, 2026, with prices from $4,595 to $18,787, a $14,192 spread on the same certified stone. Taylor and Hart lists it at $18,787. 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

12.56
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813643585
Dimensions16.63 × 14.58 × 8.49 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.63 mm14.58 mm12.56 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813643585
Side View
Table 66.0%Crown 39.6°Girdle: MED-THKPavilion 35.3°Culet: NoneDepth 51.1%

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: $8,250 SGD|Low: $3,493 SGD|High: $18,787 SGD|Avg: $9,476 SGD|+7.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 29, 2026
Retailer 2$5,146 SGD
Retailer 4$5,331 SGD
Retailer 10$5,714 SGD
Retailer 3$7,136 SGD
Retailer 7$7,208 SGD
Retailer 5$7,690 SGD
Retailer 1$8,250 SGD
Retailer 6$9,989 SGD
Retailer 8$13,398 SGD
Retailer 9$14,295 SGD
Taylor and Hart$18,787 SGD

37 data points across 11 retailers

16 retailers$4,595 SGD to $18,787 SGD

A
Cheapest Retailer
-
$4,595 SGD
$3,594 USD
A
Retailer 2
-
$5,000 SGD
$3,911 USD
View
A
Retailer 3
-
$5,146 SGD
$4,025 USD
View
Final sale: no returns
Retailer 4
-
$5,330 SGD
$4,169 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$5,330 SGD
$4,169 USD
View
A
Retailer 6
-
$5,331 SGD
$4,170 USD
View
A
Retailer 7
-
$5,714 SGD
$4,470 USD
View
B+
Retailer 8
-
$6,660 SGD
$5,210 USD
View
B+
Retailer 9
-
$7,136 SGD
£4,395 GBP
View
B+
Retailer 10
-
$7,208 SGD
$5,638 USD
View
B+
Retailer 11
-
$7,690 SGD
$6,015 USD
View
B+
Retailer 12
-
$8,250 SGD
ZAR 104,253 ZAR
View
Retailer 13
-
$9,989 SGD
A$12,021 AUD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$13,398 SGD
$10,480 USD
View
B
Retailer 15
-
$14,295 SGD
$11,182 USD
View
Most Expensive
B
Taylor and Hart
97C2D4F · Oct 31
$18,787 SGD
$14,695 USD
View
15 more retailers have this diamond
Prices start from $4,595 SGDSave up to $14,192 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
12.56ct Heart
$4,595 SGD