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Round|Lab Grown|IGI

1.77ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG440014212

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440014212

Diamond specifications and retailer prices

From $1,739 NZD
$980 USD
As of October 30, 2026
Save $6,792 NZD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,531 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.77ct lab-grown round diamond

This 1.77ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440014212 or 440014212. Listed at 10 retailers as of October 29, 2026, with prices from $1,739 to $8,531, a $6,792 spread on the same certified stone. MOH London lists it at $8,531. 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

1.77
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440014212
Dimensions7.89 × 7.85 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.89 mm7.85 mm1.77 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440014212
Side View
Table 59.0%Crown 33.4°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.2%

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 30
Current: $8,531 NZD|Low: $1,739 NZD|High: $8,599 NZD|Avg: $4,639 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$1,739 NZD
Retailer 4$2,867 NZD
Retailer 7$3,273 NZD
Retailer 6$4,058 NZD
Retailer 3$4,688 NZD
Retailer 5$5,392 NZD
Retailer 8$6,651 NZD
MOH London$8,531 NZD

12 data points across 8 retailers

10 retailers$1,739 NZD to $8,531 NZD

A
Cheapest Retailer
-
$1,739 NZD
$980 USD
B+
Retailer 2
-
$2,562 NZD
$1,444 USD
View
B+
Retailer 3
-
$2,787 NZD
$1,571 USD
View
B+
Retailer 4
-
$2,867 NZD
$1,616 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,972 NZD
$1,675 USD
View
Retailer 6
-
$2,972 NZD
$1,675 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$4,688 NZD
$2,642 USD
View
B
Retailer 8
-
$5,392 NZD
$3,039 USD
View
B
Retailer 9
-
$5,570 NZD
$3,139 USD
View
Most Expensive
B
MOH London
LG440014212 · Oct 29
$8,531 NZD
£3,786 GBP
View
9 more retailers have this diamond
Prices start from $1,739 NZDSave up to $6,792 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
1.77ct Round
$1,739 NZD