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Round|Lab Grown|IGI

1.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG789612872

Shape and cutting style on the report: Round brilliant

Certificate IGI LG789612872

Diamond specifications and retailer prices

From $515 NZD
$290 USD
As of October 29, 2026
Save $4,063 NZD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,578 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG789612872 or 789612872. Listed at 26 retailers as of October 29, 2026, with prices from $515 to $4,578, a $4,063 spread on the same certified stone. Do Amore Diamonds lists it at $4,578. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789612872
Dimensions6.48 × 6.53 × 3.98 mm
L/W Ratio1.01
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
6.48 mm6.53 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789612872
Side View
Table 59.0%Crown 34.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.1%

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: Oct 29
Current: $4,116 NZD|Low: $577 NZD|High: $4,170 NZD|Avg: $1,775 NZD
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 8$577 NZD
Retailer 19$761 NZD
Retailer 17$763 NZD
Retailer 5$782 NZD
Retailer 18$949 NZD
Retailer 14$1,101 NZD
Retailer 16$1,144 NZD
Retailer 15$1,211 NZD
Retailer 3$1,243 NZD
Retailer 2$1,255 NZD
Retailer 4$1,512 NZD
Retailer 6$1,761 NZD
Retailer 9$2,078 NZD
Retailer 7$2,454 NZD
Retailer 11$2,553 NZD
Retailer 10$2,622 NZD
Retailer 12$2,661 NZD
Retailer 13$2,839 NZD
Do Amore Diamonds$4,116 NZD

30 data points across 19 retailers

26 retailers$515 NZD to $4,578 NZD

A
Cheapest Retailer
-
$515 NZD
$290 USD
A
Retailer 2
-
$577 NZD
$325 USD
View
Final sale: no returns
A
Retailer 3
-
$598 NZD
$337 USD
View
A
Retailer 4
-
$639 NZD
$360 USD
View
A
Retailer 5
-
$639 NZD
$360 USD
View
A
Retailer 6
-
$761 NZD
$429 USD
View
A
Retailer 7
-
$763 NZD
$430 USD
View
A
Retailer 8
-
$782 NZD
$441 USD
View
A
Retailer 9
-
$949 NZD
$535 USD
View
B+
Retailer 10
-
$1,101 NZD
€591 EUR
View
B+
Retailer 11
-
$1,144 NZD
$645 USD
View
B+
Retailer 12
-
$1,211 NZD
ZAR 11,027 ZAR
View
B+
Retailer 13
-
$1,243 NZD
A$1,078 AUD
View
B+
Retailer 14
-
$1,255 NZD
£557 GBP
View
B+
Retailer 15
-
$1,512 NZD
$852 USD
View
B+
Retailer 16
-
$1,761 NZD
$993 USD
View
B
Retailer 17
-
$2,078 NZD
CA$1,627 CAD
View
B
Retailer 18
-
$2,266 NZD
$1,277 USD
View
B
Retailer 19
-
$2,454 NZD
$1,383 USD
View
B
Retailer 20
-
$2,553 NZD
$1,439 USD
View
B
Retailer 21
-
$2,553 NZD
$1,439 USD
View
B
Retailer 22
-
$2,622 NZD
$1,478 USD
View
B
Retailer 23
-
$2,661 NZD
$1,500 USD
View
B
Retailer 24
-
$2,839 NZD
£1,260 GBP
View
B
Retailer 25
-
$4,116 NZD
$2,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-B6F1F043E · Oct 31
$4,578 NZD
$2,580 USD
View
25 more retailers have this diamond
Prices start from $515 NZDSave up to $4,063 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
1.03ct Round
$515 NZD