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Radiant|Lab Grown|IGI

1.85ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG536203236

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG536203236

Diamond specifications and retailer prices

From $3,021 NZD
$1,700 USD
As of November 2, 2026
Save $3,718 NZD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,740 NZD at Friendly Diamonds · As of November 2, 2026
View at Friendly Diamonds

About this 1.85ct lab-grown radiant diamond

This 1.85ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG536203236 or 536203236. Listed at 12 retailers as of November 2, 2026, with prices from $3,021 to $6,740, a $3,718 spread on the same certified stone. Friendly Diamonds lists it at $6,740. 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

1.85
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536203236
Dimensions8.29 × 6.10 × 4.05 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.29 mm6.10 mm1.85 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536203236
Side View
Table 64.5%Crown 44°Girdle: Slightly ThickPavilionCulet: NoneDepth 66.4%

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 2
Current: $6,740 NZD|Low: $3,021 NZD|High: $12,162 NZD|Avg: $5,635 NZD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 5$3,021 NZD
Retailer 4$3,622 NZD
Retailer 8$4,056 NZD
Retailer 6$4,202 NZD
Retailer 9$4,497 NZD
Retailer 2$5,782 NZD
Retailer 7$6,574 NZD
Friendly Diamonds$6,740 NZD
Retailer 3$12,001 NZD

43 data points across 9 retailers

12 retailers$3,021 NZD to $6,740 NZD

B
Cheapest Retailer
-
$3,021 NZD
$1,700 USD
B
Retailer 2
-
$3,622 NZD
$2,038 USD
View
B
Retailer 3
-
$3,942 NZD
$2,218 USD
View
B
Retailer 4
-
$4,056 NZD
$2,282 USD
View
Final sale: no returns
B
Retailer 5
-
$4,202 NZD
$2,364 USD
View
Retailer 6
-
$4,202 NZD
$2,364 USD
View
Price last confirmed 23 days ago
B
Retailer 7
-
$4,497 NZD
$2,530 USD
View
B
Retailer 8
-
$5,776 NZD
$3,250 USD
View
B
Retailer 9
-
$5,782 NZD
£2,562 GBP
View
B
Retailer 10
-
$6,574 NZD
$3,699 USD
View
Most Expensive
B
Friendly Diamonds
3173920 · Nov 2
$6,740 NZD
$3,792 USD
View
10 more retailers have this diamond
Prices start from $3,021 NZDSave up to $3,718 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
1.85ct Radiant
$3,021 NZD