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Round|Lab Grown|IGI

1.10ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG818644485

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644485

Diamond specifications and retailer prices

From $286 NZD
$161 USD
As of October 29, 2026
Save $1,611 NZD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,896 NZD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.1ct lab-grown round diamond

This 1.1ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818644485 or 818644485. Listed at 19 retailers as of October 29, 2026, with prices from $286 to $1,896, a $1,611 spread on the same certified stone. Reve Diamonds lists it at $1,896. 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

1.10
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644485
Dimensions6.61 × 6.58 × 4.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.61 mm6.58 mm1.10 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644485
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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: $663 NZD|Low: $273 NZD|High: $1,674 NZD|Avg: $728 NZD|+6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11$286 NZD
Retailer 8$318 NZD
Retailer 4$332 NZD
Retailer 3$355 NZD
Retailer 13$479 NZD
Retailer 6$623 NZD
Retailer 1$663 NZD
Retailer 7$701 NZD
Retailer 12$798 NZD
Retailer 10$921 NZD
Retailer 2$1,082 NZD
Retailer 5$1,137 NZD
Retailer 9$1,663 NZD

43 data points across 13 retailers

19 retailers$286 NZD to $1,896 NZD

A
Cheapest Retailer
-
$286 NZD
$161 USD
A
Retailer 2
-
$318 NZD
$179 USD
View
Final sale: no returns
A
Retailer 3
-
$332 NZD
$187 USD
View
A
Retailer 4
-
$355 NZD
$200 USD
View
A
Retailer 5
-
$355 NZD
$200 USD
View
A
Retailer 6
-
$409 NZD
HK$1,800 HKD
View
B+
Retailer 7
-
$479 NZD
$270 USD
View
A
Retailer 8
-
$571 NZD
$322 USD
View
A
Retailer 9
-
$623 NZD
£276 GBP
View
B+
Retailer 10
-
$663 NZD
€356 EUR
View
B+
Retailer 11
-
$701 NZD
£311 GBP
View
Retailer 12
-
$798 NZD
$450 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$921 NZD
$519 USD
View
B
Retailer 14
-
$1,082 NZD
$610 USD
View
B
Retailer 15
-
$1,137 NZD
$641 USD
View
B
Retailer 16
-
$1,166 NZD
SGD 888 SGD
View
B
Retailer 17
-
$1,235 NZD
$696 USD
View
B
Retailer 18
-
$1,663 NZD
£738 GBP
View
Most Expensive
B
Reve Diamonds
F0ADF24F4 · Oct 30
$1,896 NZD
$1,069 USD
View
18 more retailers have this diamond
Prices start from $286 NZDSave up to $1,611 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
1.10ct Round
$286 NZD