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Radiant|Lab Grown|GIA

1.73ct D IF Radiant Lab Grown Diamond

ID • D/IF • GIA 1509830516

Certificate GIA 1509830516

Diamond specifications and retailer prices

From $2,454 NZD
$1,383 USD
As of October 30, 2026
Save $6,569 NZD (73%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,022 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown radiant diamond

This 1.73ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1509830516. Listed at 7 retailers as of October 29, 2026, with prices from $2,454 to $9,022, a $6,569 spread on the same certified stone. MOH London lists it at $9,022. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1509830516
Dimensions8.54 × 6.05 × 4.03 mm
L/W Ratio1.41
Girdle conditionPolished
Top View
8.54 mm6.05 mm1.73 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509830516
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.6%

Caratlytics Score

How it works →
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: $9,022 NZD|Low: $2,348 NZD|High: $16,891 NZD|Avg: $6,815 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8$2,348 NZD
Retailer 2$2,454 NZD
Retailer 5$2,670 NZD
Retailer 3$2,846 NZD
Retailer 4$5,891 NZD
MOH London$9,022 NZD
Retailer 7$9,617 NZD
Retailer 6$16,891 NZD

12 data points across 8 retailers

7 retailers$2,454 NZD to $9,022 NZD

A
Cheapest Retailer
-
$2,454 NZD
$1,383 USD
B+
Retailer 2
-
$2,670 NZD
$1,505 USD
View
Retailer 3
-
$2,846 NZD
$1,604 USD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
$2,846 NZD
$1,604 USD
View
B
Retailer 5
-
$5,891 NZD
$3,320 USD
View
Most Expensive
B
MOH London
1509830516 · Oct 29
$9,022 NZD
£4,004 GBP
View
5 more retailers have this diamond
Prices start from $2,454 NZDSave up to $6,569 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
1.73ct Radiant
$2,454 NZD