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Round|Lab Grown|IGI

1.05ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG474116583

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474116583

Diamond specifications and retailer prices

From $1,103 NZD
As of November 5, 2026
Save $1,324 NZD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,686 NZD at Friendly Diamonds · As of November 4, 2026
View at Friendly Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116583 or 474116583. Listed at 11 retailers as of November 4, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116583
Dimensions6.58 × 6.54 × 3.91 mm
L/W Ratio1.01
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
6.58 mm6.54 mm1.05 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116583
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,686 NZD|Low: $1,103 NZD|High: $5,954 NZD|Avg: $2,335 NZD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$1,103 NZD
Retailer 4$1,290 NZD
Retailer 8$1,444 NZD
Retailer 6$1,496 NZD
Retailer 2$2,355 NZD
Retailer 7$2,426 NZD
Friendly Diamonds$3,686 NZD
Retailer 3$5,885 NZD

41 data points across 8 retailers

11 retailers$1,103 NZD to $2,426 NZD

B
Cheapest Retailer
-
$1,103 NZD
B
Retailer 2
-
$1,290 NZD
View
B
Retailer 3
-
$1,404 NZD
View
B
Retailer 4
-
$1,444 NZD
View
Final sale: no returns
B
Retailer 5
-
$1,496 NZD
View
Retailer 6
-
$1,496 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,355 NZD
View
B
Retailer 8
-
$2,426 NZD
View
Most Expensive
Friendly Diamonds
1589662 · Nov 4
$3,686 NZD
$2,072 USD
View
Price under review
8 more retailers have this diamond
Prices start from $1,103 NZDSave up to $1,324 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.

B
1.05ct Round
$1,103 NZD