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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 $364 USD
As of October 30, 2026
Save $1,986 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,350 USD 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 $364 to $2,350, a $1,986 spread on the same certified stone. Queensmith lists it at $2,350. 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
Color
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: Oct 30
Current: $721 USD|Low: $364 USD|High: $1,662 USD|Avg: $916 USD|+3.5%
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
October 31, 2026
Retailer 2$364 USD
Retailer 12$545 USD
Retailer 7$560 USD
Retailer 8$643 USD
Retailer 9$656 USD
Retailer 11$695 USD
Retailer 1$721 USD
Retailer 5$777 USD
Retailer 10$982 USD
Retailer 14$1,186 USD
Retailer 4$1,201 USD
Retailer 6$1,345 USD
Retailer 3$1,596 USD
Retailer 13$1,623 USD

42 data points across 14 retailers

21 retailers$364 USD to $2,350 USD

Retailer 1
-
$326 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$364 USD
View
Final sale: no returns
Retailer 3
-
$378 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$404 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$404 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
$545 USD
View
A
Retailer 7
-
$560 USD
View
A
Retailer 8
-
$643 USD
£507 GBP
View
A
Retailer 9
-
$656 USD
€625 EUR
View
A
Retailer 10
-
$695 USD
ZAR 11,227 ZAR
View
A
Retailer 11
-
$721 USD
£568 GBP
View
A
Retailer 12
-
$777 USD
View
B+
Retailer 13
-
$982 USD
A$1,511 AUD
View
B+
Retailer 14
-
$1,186 USD
View
Retailer 15
-
$1,201 USD
A$1,848 AUD
View
Price last confirmed 26 days ago
Retailer 16
-
$1,300 USD
View
Price last confirmed 30 days ago
B+
Retailer 17
-
$1,345 USD
View
Retailer 18
-
$1,423 USD
View
Price last confirmed 65 days ago
B
Retailer 19
-
$1,596 USD
View
B+
Retailer 20
-
$1,623 USD
£1,278 GBP
View
Most Expensive
B
Queensmith
LG781641923 · Oct 27
$2,350 USD
£1,850 GBP
View
20 more retailers have this diamond
Prices start from $364 USDSave up to $1,986 USD

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
$364 USD