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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 $994 AUD
$698 USD
As of October 29, 2026
Save $2,246 AUD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,530 AUD 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: $4,530 AUD|Low: $868 AUD|High: $4,734 AUD|Avg: $1,838 AUD|-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 30, 2026
Retailer 12$994 AUD
Retailer 10$1,080 AUD
Retailer 16$1,152 AUD
Retailer 17$1,152 AUD
Retailer 5$1,196 AUD
Retailer 3$1,402 AUD
Retailer 13$1,459 AUD
Retailer 9$1,544 AUD
Retailer 4$1,616 AUD
Retailer 2$1,744 AUD
Retailer 6$1,872 AUD
Retailer 7$2,101 AUD
Retailer 15$2,136 AUD
Retailer 8$2,776 AUD
Retailer 11$2,838 AUD
Retailer 14$3,240 AUD
MOH London$4,530 AUD

38 data points across 17 retailers

16 retailers$994 AUD to $3,240 AUD

A
Cheapest Retailer
-
$994 AUD
$698 USD
B+
Retailer 2
-
$1,080 AUD
$759 USD
View
B+
Retailer 3
-
$1,152 AUD
$809 USD
View
Retailer 4
-
$1,152 AUD
$809 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$1,196 AUD
$840 USD
View
B+
Retailer 6
-
$1,402 AUD
$985 USD
View
Retailer 7
-
$1,459 AUD
$1,025 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
$1,616 AUD
$1,135 USD
View
B
Retailer 9
-
$1,744 AUD
£965 GBP
View
B
Retailer 10
-
$1,872 AUD
$1,315 USD
View
B
Retailer 11
-
$2,101 AUD
$1,476 USD
View
Retailer 12
-
$2,136 AUD
£1,182 GBP
View
Price last confirmed 13 days ago
B
Retailer 13
-
$2,776 AUD
$1,950 USD
View
B
Retailer 14
-
$2,838 AUD
$1,994 USD
View
B
Retailer 15
-
$3,240 AUD
$2,276 USD
View
Most Expensive
MOH London
6492006652 · Oct 26
$4,530 AUD
£2,506 GBP
View
Price under review
15 more retailers have this diamond
Prices start from $994 AUDSave up to $2,246 AUD

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
$994 AUD