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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG783641774

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783641774

Diamond specifications and retailer prices

From $763 NZD
As of November 3, 2026
Save $2,702 NZD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,524 NZD 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 LG783641774 or 783641774. Listed at 22 retailers as of November 3, 2026, with a 354% 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 angle33.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783641774
Dimensions7.03 × 7.06 × 4.19 mm
L/W Ratio1.00
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
7.03 mm7.06 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783641774
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.5%

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 3
Current: $4,524 NZD|Low: $733 NZD|High: $4,524 NZD|Avg: $1,870 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 20
Retailer 21
November 5, 2026
Retailer 3$763 NZD
Retailer 12$852 NZD
Retailer 10$855 NZD
Retailer 7$946 NZD
Retailer 14$946 NZD
Retailer 18$1,206 NZD
Retailer 9$1,352 NZD
Retailer 21$1,472 NZD
Retailer 19$1,488 NZD
Retailer 15$1,540 NZD
Retailer 4$1,602 NZD
Retailer 16$1,630 NZD
Retailer 5$2,257 NZD
Retailer 2$2,312 NZD
Retailer 6$2,572 NZD
Retailer 17$2,652 NZD
Retailer 8$3,002 NZD
Retailer 11$3,041 NZD
Retailer 20$3,174 NZD
Retailer 13$3,465 NZD
Brilliant Earth$4,524 NZD

38 data points across 21 retailers

22 retailers$763 NZD to $3,465 NZD

A
Cheapest Retailer
-
$763 NZD
A
Retailer 2
-
$852 NZD
View
Final sale: no returns
A
Retailer 3
-
$855 NZD
View
Retailer 4
-
$946 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$946 NZD
View
A
Retailer 6
-
$1,206 NZD
View
A
Retailer 7
-
$1,352 NZD
View
B+
Retailer 8
-
$1,442 NZD
View
B+
Retailer 9
-
$1,472 NZD
View
B+
Retailer 10
-
$1,488 NZD
View
B+
Retailer 11
-
$1,540 NZD
View
B+
Retailer 12
-
$1,630 NZD
View
Retailer 13
-
$2,257 NZD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
$2,312 NZD
View
Retailer 15
-
$2,572 NZD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$2,652 NZD
View
Retailer 17
-
$3,002 NZD
View
Price last confirmed 23 days ago
B
Retailer 18
-
$3,041 NZD
View
Retailer 19
-
$3,097 NZD
View
Price last confirmed 24 days ago
B
Retailer 20
-
$3,174 NZD
View
B
Retailer 21
-
$3,465 NZD
View
Most Expensive
Brilliant Earth
19018680A · Oct 14
$4,524 NZD
$2,550 USD
View
Price last confirmed 21 days ago
21 more retailers have this diamond
Prices start from $763 NZDSave up to $2,702 NZD

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
$763 NZD