Radiant|Lab Grown|IGI

1.25ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG839684869

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG839684869

Diamond specifications and retailer prices

From $677 NZD
$381 USD
As of October 27, 2026
Save $5,099 NZD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,776 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839684869 or 839684869. Listed at 23 retailers as of October 27, 2026, with prices from $677 to $5,776, a $5,099 spread on the same certified stone. Brilliant Earth lists it at $5,776. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839684869
Dimensions7.58 × 5.28 × 3.62 mm
L/W Ratio1.44
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
7.58 mm5.28 mm1.25 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839684869
Side View
Table 66.0%Crown 40.4°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 68.6%

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 27
Current: $5,776 NZD|Low: $677 NZD|High: $5,776 NZD|Avg: $1,993 NZD
Brilliant Earth
Retailer 2
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October 27, 2026
Retailer 3$677 NZD
Retailer 23$759 NZD
Retailer 5$839 NZD
Retailer 6$839 NZD
Retailer 8$846 NZD
Retailer 21$869 NZD
Retailer 19$1,102 NZD
Retailer 14$1,201 NZD
Retailer 20$1,286 NZD
Retailer 10$1,333 NZD
Retailer 22$1,385 NZD
Retailer 18$1,420 NZD
Retailer 2$1,510 NZD
Retailer 12$1,527 NZD
Retailer 9$1,828 NZD
Retailer 7$2,698 NZD
Retailer 17$2,759 NZD
Retailer 11$2,766 NZD
Retailer 15$3,066 NZD
Retailer 4$3,147 NZD
Retailer 13$3,284 NZD
Retailer 16$3,827 NZD
Retailer 24$4,299 NZD
Brilliant Earth$5,776 NZD

22 data points across 24 retailers

23 retailers$677 NZD to $5,776 NZD

A
Cheapest Retailer
-
$677 NZD
$381 USD
Retailer 2
-
$759 NZD
$427 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$839 NZD
$472 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$839 NZD
$472 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$869 NZD
£385 GBP
View
Price last confirmed 16 days ago
Retailer 6
-
$1,102 NZD
$620 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
$1,201 NZD
$676 USD
View
Retailer 8
-
$1,286 NZD
€689 EUR
View
Price last confirmed 9 days ago
Retailer 9
-
$1,333 NZD
$750 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$1,385 NZD
$779 USD
View
Price last confirmed 7 days ago
Retailer 11
-
$1,420 NZD
ZAR 12,906 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$1,510 NZD
£669 GBP
View
B+
Retailer 13
-
$1,527 NZD
$859 USD
View
B+
Retailer 14
-
$1,828 NZD
$1,029 USD
View
Retailer 15
-
$2,698 NZD
$1,518 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$2,759 NZD
CA$2,156 CAD
View
B
Retailer 17
-
$2,766 NZD
$1,556 USD
View
B
Retailer 18
-
$3,066 NZD
$1,725 USD
View
Retailer 19
-
$3,147 NZD
$1,771 USD
View
Price last confirmed 8 days ago
B
Retailer 20
-
$3,284 NZD
£1,455 GBP
View
B
Retailer 21
-
$3,827 NZD
$2,153 USD
View
Retailer 22
-
$4,299 NZD
$2,419 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
22182368A · Oct 28
$5,776 NZD
$3,250 USD
View
22 more retailers have this diamond
Prices start from $677 NZDSave up to $5,099 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 Radiant
$677 NZD