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Heart|Lab Grown|IGI

1.25ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG734531216

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG734531216

Diamond specifications and retailer prices

From $519 SGD
As of November 2, 2026
Save $2,753 SGD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,271 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.25ct lab-grown heart diamond

This 1.25ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG734531216 or 734531216. Listed at 17 retailers as of November 2, 2026, with prices from $519 to $3,271, a $2,753 spread on the same certified stone. Do Amore Diamonds lists it at $3,271. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734531216
Dimensions6.73 × 7.40 × 4.37 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
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
6.73 mm7.40 mm1.25 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734531216
Side View
Table 62.0%Crown 37.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.1%

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: Nov 2
Current: $3,271 SGD|Low: $316 SGD|High: $3,489 SGD|Avg: $1,296 SGD|-6.2%
Do Amore Diamonds
Retailer 2
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Retailer 19
November 4, 2026
Retailer 11$316 SGD
Retailer 12$519 SGD
Retailer 4$574 SGD
Retailer 5$610 SGD
Retailer 15$613 SGD
Retailer 2$787 SGD
Retailer 9$815 SGD
Retailer 16$834 SGD
Retailer 8$842 SGD
Retailer 6$1,020 SGD
Retailer 3$1,082 SGD
Retailer 17$1,406 SGD
Retailer 18$1,487 SGD
Retailer 10$1,733 SGD
Retailer 19$1,968 SGD
Retailer 13$2,023 SGD
Retailer 7$2,257 SGD
Retailer 14$2,632 SGD
Do Amore Diamonds$3,271 SGD

34 data points across 19 retailers

17 retailers$519 SGD to $3,271 SGD

Retailer 1
-
$369 SGD
Price last confirmed 19 days ago
A
Retailer 2
-
$519 SGD
View
A
Retailer 3
-
$574 SGD
View
A
Retailer 4
-
$610 SGD
View
A
Retailer 5
-
$613 SGD
View
A
Retailer 6
-
$787 SGD
View
Retailer 7
-
$834 SGD
View
Price last confirmed 15 days ago
Retailer 8
-
$1,020 SGD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$1,082 SGD
View
B+
Retailer 10
-
$1,406 SGD
View
B+
Retailer 11
-
$1,487 SGD
View
B+
Retailer 12
-
$1,623 SGD
View
B
Retailer 13
-
$1,968 SGD
View
B+
Retailer 14
-
$2,023 SGD
View
Retailer 15
-
$2,257 SGD
View
Price last confirmed 34 days ago
B
Retailer 16
-
$2,632 SGD
View
Most Expensive
B
Do Amore Diamonds
27-6D889870D · Nov 2
$3,271 SGD
$2,560 USD
View
16 more retailers have this diamond
Prices start from $519 SGDSave up to $2,753 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
1.25ct Heart
$519 SGD