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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG781641923

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781641923

Diamond specifications and retailer prices

From $466 SGD
$364 USD
As of November 1, 2026
Save $2,539 SGD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,005 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round 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 LG781641923 or 781641923. Listed at 21 retailers as of October 27, 2026, with prices from $466 to $3,005, a $2,539 spread on the same certified stone. Queensmith lists it at $3,005. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781641923
Dimensions6.88 × 6.84 × 4.27 mm
L/W Ratio1.01
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
6.88 mm6.84 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781641923
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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: $915 SGD|Low: $466 SGD|High: $2,126 SGD|Avg: $1,186 SGD|+1.4%
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
November 3, 2026
Retailer 3$466 SGD
Retailer 15$697 SGD
Retailer 13$716 SGD
Retailer 9$820 SGD
Retailer 8$841 SGD
Retailer 10$892 SGD
Retailer 1$915 SGD
Retailer 6$994 SGD
Retailer 14$1,256 SGD
Retailer 2$1,517 SGD
Retailer 5$1,536 SGD
Retailer 7$1,720 SGD
Retailer 12$1,784 SGD
Retailer 4$2,041 SGD
Retailer 11$2,072 SGD

39 data points across 15 retailers

21 retailers$466 SGD to $3,005 SGD

Retailer 1
-
$417 SGD
$326 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$466 SGD
$364 USD
View
Final sale: no returns
Retailer 3
-
$483 SGD
$378 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$517 SGD
$404 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$517 SGD
$404 USD
View
Price last confirmed 31 days ago
A
Retailer 6
-
$697 SGD
$545 USD
View
A
Retailer 7
-
$716 SGD
$560 USD
View
A
Retailer 8
-
$820 SGD
£505 GBP
View
A
Retailer 9
-
$841 SGD
€626 EUR
View
A
Retailer 10
-
$892 SGD
ZAR 11,266 ZAR
View
A
Retailer 11
-
$915 SGD
£563 GBP
View
A
Retailer 12
-
$994 SGD
$777 USD
View
B+
Retailer 13
-
$1,256 SGD
A$1,511 AUD
View
B+
Retailer 14
-
$1,517 SGD
$1,186 USD
View
Retailer 15
-
$1,536 SGD
A$1,848 AUD
View
Price last confirmed 29 days ago
Retailer 16
-
$1,663 SGD
$1,300 USD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$1,720 SGD
$1,345 USD
View
B
Retailer 18
-
$1,784 SGD
$1,395 USD
View
B
Retailer 19
-
$2,041 SGD
$1,596 USD
View
B+
Retailer 20
-
$2,072 SGD
£1,276 GBP
View
Most Expensive
B
Queensmith
LG781641923 · Oct 27
$3,005 SGD
£1,850 GBP
View
20 more retailers have this diamond
Prices start from $466 SGDSave up to $2,539 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 Round
$466 SGD