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1.76ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG617445909

Shape and cutting style on the report: Round brilliant

Certificate IGI LG617445909

Diamond specifications and retailer prices

From $431 NZD
$242 USD
As of October 29, 2026
Save $1,722 NZD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,153 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.76ct lab-grown round diamond

This 1.76ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617445909 or 617445909. Listed at 16 retailers as of October 29, 2026, with prices from $431 to $2,153, a $1,722 spread on the same certified stone. MOH London lists it at $2,153. 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

1.76
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617445909
Dimensions7.84 × 7.81 × 4.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.84 mm7.81 mm1.76 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617445909
Side View
Table 58.0%Crown 34.1°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.2%

Caratlytics Score

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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: $2,153 NZD|Low: $370 NZD|High: $2,166 NZD|Avg: $1,099 NZD|+16.7%
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 13$431 NZD
Retailer 11$500 NZD
Retailer 3$534 NZD
Retailer 10$534 NZD
Retailer 9$819 NZD
Retailer 6$901 NZD
Retailer 16$926 NZD
Retailer 5$995 NZD
Retailer 2$1,010 NZD
Retailer 4$1,132 NZD
Retailer 14$1,487 NZD
Retailer 15$1,716 NZD
Retailer 12$1,724 NZD
Retailer 8$2,012 NZD
Retailer 7$2,026 NZD
MOH London$2,153 NZD

40 data points across 16 retailers

16 retailers$431 NZD to $2,153 NZD

A
Cheapest Retailer
-
$431 NZD
$242 USD
A
Retailer 2
-
$500 NZD
$281 USD
View
A
Retailer 3
-
$534 NZD
$300 USD
View
A
Retailer 4
-
$534 NZD
$300 USD
View
A
Retailer 5
-
$819 NZD
€438 EUR
View
B+
Retailer 6
-
$901 NZD
$506 USD
View
Retailer 7
-
$926 NZD
£410 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
$995 NZD
$559 USD
View
B+
Retailer 9
-
$1,010 NZD
£447 GBP
View
B+
Retailer 10
-
$1,132 NZD
$636 USD
View
B+
Retailer 11
-
$1,487 NZD
$835 USD
View
B
Retailer 12
-
$1,716 NZD
$964 USD
View
B
Retailer 13
-
$1,724 NZD
$968 USD
View
B
Retailer 14
-
$2,012 NZD
$1,130 USD
View
B
Retailer 15
-
$2,026 NZD
$1,138 USD
View
Most Expensive
B
MOH London
LG617445909 · Oct 29
$2,153 NZD
£952 GBP
View
15 more retailers have this diamond
Prices start from $431 NZDSave up to $1,722 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
1.76ct Round
$431 NZD