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Round|Lab Grown|IGI

1.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG783641966

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783641966

Diamond specifications and retailer prices

From $658 NZD
$371 USD
As of November 1, 2026
Save $3,440 NZD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,099 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG783641966 or 783641966. Listed at 23 retailers as of October 31, 2026, with prices from $658 to $4,099, a $3,440 spread on the same certified stone. Brilliant Earth lists it at $4,099. 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 angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783641966
Dimensions6.50 × 6.48 × 3.96 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
6.50 mm6.48 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783641966
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 1
Current: $4,099 NZD|Low: $632 NZD|High: $4,099 NZD|Avg: $1,742 NZD
Brilliant Earth
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
Retailer 15
November 1, 2026
Retailer 3$658 NZD
Retailer 14$763 NZD
Retailer 5$816 NZD
Retailer 6$816 NZD
Retailer 10$1,082 NZD
Retailer 7$1,097 NZD
Retailer 2$1,294 NZD
Retailer 15$1,347 NZD
Retailer 12$1,402 NZD
Retailer 8$1,470 NZD
Retailer 13$2,394 NZD
Retailer 4$2,622 NZD
Retailer 9$2,761 NZD
Retailer 11$3,204 NZD
Brilliant Earth$4,099 NZD

35 data points across 15 retailers

23 retailers$658 NZD to $4,099 NZD

A
Cheapest Retailer
-
$658 NZD
$371 USD
A
Retailer 2
-
$735 NZD
$414 USD
View
Final sale: no returns
A
Retailer 3
-
$763 NZD
$430 USD
View
Retailer 4
-
$816 NZD
$460 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$816 NZD
$460 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$816 NZD
$460 USD
View
B+
Retailer 7
-
$1,038 NZD
$585 USD
View
B+
Retailer 8
-
$1,082 NZD
$610 USD
View
B+
Retailer 9
-
$1,097 NZD
$618 USD
View
B+
Retailer 10
-
$1,231 NZD
$694 USD
View
B+
Retailer 11
-
$1,294 NZD
£574 GBP
View
B+
Retailer 12
-
$1,347 NZD
A$1,168 AUD
View
B+
Retailer 13
-
$1,402 NZD
ZAR 12,766 ZAR
View
B+
Retailer 14
-
$1,470 NZD
£652 GBP
View
B
Retailer 15
-
$2,037 NZD
$1,148 USD
View
B
Retailer 16
-
$2,166 NZD
SGD 1,650 SGD
View
B
Retailer 17
-
$2,394 NZD
$1,349 USD
View
B
Retailer 18
-
$2,622 NZD
$1,478 USD
View
B
Retailer 19
-
$2,693 NZD
$1,518 USD
View
B
Retailer 20
-
$2,761 NZD
€1,482 EUR
View
B
Retailer 21
-
$3,085 NZD
$1,739 USD
View
B
Retailer 22
-
$3,204 NZD
£1,422 GBP
View
Most Expensive
B
Brilliant Earth
18648375A · Oct 31
$4,099 NZD
$2,310 USD
View
22 more retailers have this diamond
Prices start from $658 NZDSave up to $3,440 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
$658 NZD