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Round|Lab Grown|IGI

1.77ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG770643926

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643926

Diamond specifications and retailer prices

From $410 NZD
$231 USD
As of October 29, 2026
Save $2,269 NZD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,679 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770643926 or 770643926. Listed at 23 retailers as of October 28, 2026, with prices from $410 to $2,679, a $2,269 spread on the same certified stone. Brilliant Earth lists it at $2,679. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643926
Dimensions7.78 × 7.83 × 4.68 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
7.78 mm7.83 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643926
Side View
Table 62.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

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: $2,679 NZD|Low: $410 NZD|High: $3,016 NZD|Avg: $1,220 NZD|-11.2%
Brilliant Earth
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
Retailer 18
Retailer 19
October 31, 2026
Retailer 15$410 NZD
Retailer 8$476 NZD
Retailer 7$509 NZD
Retailer 14$795 NZD
Retailer 2$850 NZD
Retailer 3$862 NZD
Retailer 5$874 NZD
Retailer 12$956 NZD
Retailer 16$974 NZD
Retailer 17$1,070 NZD
Retailer 10$1,239 NZD
Retailer 13$1,340 NZD
Retailer 4$1,623 NZD
Retailer 6$1,634 NZD
Retailer 9$1,727 NZD
Retailer 19$2,069 NZD
Retailer 11$2,143 NZD
Retailer 18$2,241 NZD
Brilliant Earth$2,679 NZD

44 data points across 19 retailers

23 retailers$410 NZD to $2,679 NZD

A
Cheapest Retailer
-
$410 NZD
$231 USD
A
Retailer 2
-
$476 NZD
$268 USD
View
A
Retailer 3
-
$509 NZD
$287 USD
View
A
Retailer 4
-
$532 NZD
$300 USD
View
A
Retailer 5
-
$795 NZD
£353 GBP
View
A
Retailer 6
-
$850 NZD
€456 EUR
View
B+
Retailer 7
-
$862 NZD
$486 USD
View
A
Retailer 8
-
$874 NZD
ZAR 7,954 ZAR
View
A
Retailer 9
-
$956 NZD
£424 GBP
View
A
Retailer 10
-
$974 NZD
$549 USD
View
A
Retailer 11
-
$1,070 NZD
$603 USD
View
Retailer 12
-
$1,239 NZD
A$1,074 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$1,340 NZD
$755 USD
View
Retailer 14
-
$1,560 NZD
$879 USD
View
Price last confirmed 45 days ago
B+
Retailer 15
-
$1,623 NZD
$915 USD
View
B+
Retailer 16
-
$1,634 NZD
$921 USD
View
B+
Retailer 17
-
$1,727 NZD
$974 USD
View
Retailer 18
-
$1,746 NZD
$984 USD
View
Price last confirmed 96 days ago
B+
Retailer 19
-
$1,831 NZD
$1,032 USD
View
B
Retailer 20
-
$2,069 NZD
$1,166 USD
View
Retailer 21
-
$2,143 NZD
£951 GBP
View
Price last confirmed 10 days ago
B
Retailer 22
-
$2,241 NZD
$1,263 USD
View
Most Expensive
B
Brilliant Earth
18082110A · Oct 28
$2,679 NZD
$1,510 USD
View
22 more retailers have this diamond
Prices start from $410 NZDSave up to $2,269 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
$410 NZD