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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG837626274

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837626274

Diamond specifications and retailer prices

From $655 SGD
$512 USD
As of November 1, 2026
Save $2,014 SGD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,261 SGD at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

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 LG837626274 or 837626274. Listed at 16 retailers as of November 1, 2026, with a 308% 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

1.25
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837626274
Dimensions6.87 × 6.90 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.87 mm6.90 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837626274
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: Nov 1
Current: $1,152 SGD|Low: $655 SGD|High: $2,698 SGD|Avg: $1,547 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 4$655 SGD
Retailer 13$908 SGD
Retailer 7$1,053 SGD
Retailer 3$1,108 SGD
Retailer 15$1,139 SGD
Retailer 1$1,152 SGD
Retailer 11$1,190 SGD
Retailer 9$1,253 SGD
Retailer 8$1,655 SGD
Retailer 12$1,771 SGD
Retailer 2$1,874 SGD
Retailer 14$1,953 SGD
Retailer 5$2,298 SGD
Retailer 6$2,376 SGD
Retailer 16$2,392 SGD
Retailer 10$2,669 SGD

19 data points across 16 retailers

16 retailers$655 SGD to $2,669 SGD

A
Cheapest Retailer
-
$655 SGD
$512 USD
Final sale: no returns
A
Retailer 2
-
$908 SGD
$710 USD
View
B+
Retailer 3
-
$1,053 SGD
$823 USD
View
B+
Retailer 4
-
$1,139 SGD
$891 USD
View
B+
Retailer 5
-
$1,152 SGD
£710 GBP
View
B+
Retailer 6
-
$1,190 SGD
£733 GBP
View
B+
Retailer 7
-
$1,253 SGD
ZAR 15,830 ZAR
View
Retailer 8
-
$1,655 SGD
A$1,991 AUD
View
Price last confirmed 26 days ago
B+
Retailer 9
-
$1,771 SGD
A$2,130 AUD
View
Retailer 10
-
$1,874 SGD
$1,465 USD
View
Price last confirmed 20 days ago
B
Retailer 11
-
$1,953 SGD
$1,527 USD
View
Retailer 12
-
$2,298 SGD
View
Price last confirmed 21 days ago
Retailer 13
-
$2,376 SGD
$1,858 USD
View
Price last confirmed 21 days ago
B
Retailer 14
-
$2,392 SGD
$1,871 USD
View
B
Retailer 15
-
$2,669 SGD
£1,643 GBP
View
Most Expensive
Brilliant Earth
21722766A · Oct 14
$3,261 SGD
$2,550 USD
View
Price last confirmed 19 days ago
15 more retailers have this diamond
Prices start from $655 SGDSave up to $2,014 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
$655 SGD