CaratHunter
Plans
Round|Lab Grown|IGI

1.80ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG770689614

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770689614

Diamond specifications and retailer prices

From $339 NZD
$191 USD
As of November 1, 2026
Save $1,629 NZD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,968 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round 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 LG770689614 or 770689614. Listed at 9 retailers as of November 1, 2026, with prices from $339 to $1,968, a $1,629 spread on the same certified stone. MOH London lists it at $1,968. 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

1.80
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770689614
Dimensions7.89 × 7.84 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.89 mm7.84 mm1.80 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770689614
Side View
Table 62.0%Crown 33.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.8%

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: $1,968 NZD|Low: $331 NZD|High: $2,025 NZD|Avg: $1,178 NZD|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$339 NZD
Retailer 9$395 NZD
Retailer 2$720 NZD
Retailer 7$777 NZD
Retailer 3$803 NZD
Retailer 10$1,033 NZD
Retailer 11$1,354 NZD
Retailer 8$1,358 NZD
Retailer 4$1,546 NZD
Retailer 6$1,573 NZD
Retailer 5$1,602 NZD
Retailer 12$1,705 NZD
MOH London$1,968 NZD

28 data points across 13 retailers

9 retailers$339 NZD to $1,968 NZD

A
Cheapest Retailer
-
$339 NZD
$191 USD
A
Retailer 2
-
$395 NZD
$222 USD
View
A
Retailer 3
-
$720 NZD
€386 EUR
View
B+
Retailer 4
-
$1,033 NZD
$581 USD
View
B+
Retailer 5
-
$1,354 NZD
$762 USD
View
B+
Retailer 6
-
$1,358 NZD
$764 USD
View
B
Retailer 7
-
$1,573 NZD
$885 USD
View
Retailer 8
-
$1,705 NZD
SGD 1,296 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG770689614 · Nov 2
$1,968 NZD
£872 GBP
View
8 more retailers have this diamond
Prices start from $339 NZDSave up to $1,629 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
1.80ct Round
$339 NZD