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Round|Lab Grown|GIA

1.77ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 6492006652

Certificate GIA 6492006652

Diamond specifications and retailer prices

From $1,243 NZD
$698 USD
As of October 29, 2026
Save $2,810 NZD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,667 NZD at MOH London · As of October 26, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6492006652. Listed at 16 retailers as of October 27, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginLab Grown
Grading LabGIA
CertificateGIA 6492006652
Dimensions7.75 × 7.73 × 4.80 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.75 mm7.73 mm1.77 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492006652
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

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: $5,667 NZD|Low: $1,086 NZD|High: $5,922 NZD|Avg: $2,296 NZD|-4.2%
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
Retailer 17
October 29, 2026
Retailer 12$1,243 NZD
Retailer 10$1,351 NZD
Retailer 16$1,440 NZD
Retailer 17$1,440 NZD
Retailer 5$1,496 NZD
Retailer 3$1,754 NZD
Retailer 13$1,825 NZD
Retailer 9$1,931 NZD
Retailer 4$2,021 NZD
Retailer 2$2,180 NZD
Retailer 6$2,341 NZD
Retailer 7$2,628 NZD
Retailer 15$2,672 NZD
Retailer 8$3,472 NZD
Retailer 11$3,550 NZD
Retailer 14$4,052 NZD
MOH London$5,667 NZD

37 data points across 17 retailers

16 retailers$1,243 NZD to $4,052 NZD

A
Cheapest Retailer
-
$1,243 NZD
$698 USD
B+
Retailer 2
-
$1,351 NZD
$759 USD
View
B+
Retailer 3
-
$1,440 NZD
$809 USD
View
B+
Retailer 4
-
$1,440 NZD
$809 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$1,496 NZD
$840 USD
View
B+
Retailer 6
-
$1,754 NZD
$985 USD
View
B+
Retailer 7
-
$1,825 NZD
$1,025 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
$2,021 NZD
$1,135 USD
View
B
Retailer 9
-
$2,180 NZD
£964 GBP
View
B
Retailer 10
-
$2,341 NZD
$1,315 USD
View
B
Retailer 11
-
$2,628 NZD
$1,476 USD
View
B
Retailer 12
-
$2,672 NZD
£1,182 GBP
View
Price last confirmed 12 days ago
B
Retailer 13
-
$3,472 NZD
$1,950 USD
View
B
Retailer 14
-
$3,550 NZD
$1,994 USD
View
B
Retailer 15
-
$4,052 NZD
$2,276 USD
View
Most Expensive
B
MOH London
6492006652 · Oct 26
$5,667 NZD
£2,506 GBP
View
Price under review
15 more retailers have this diamond
Prices start from $1,243 NZDSave up to $2,810 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
$1,243 NZD