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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 HK$5,477 HKD
$698 USD
As of October 29, 2026
Save HK$12,382 HKD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$24,972 HKD 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: HK$24,972 HKD|Low: HK$4,786 HKD|High: HK$26,098 HKD|Avg: HK$10,134 HKD|-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 12HK$5,477 HKD
Retailer 10HK$5,955 HKD
Retailer 16HK$6,348 HKD
Retailer 17HK$6,348 HKD
Retailer 5HK$6,591 HKD
Retailer 3HK$7,729 HKD
Retailer 13HK$8,043 HKD
Retailer 9HK$8,511 HKD
Retailer 4HK$8,906 HKD
Retailer 2HK$9,614 HKD
Retailer 6HK$10,318 HKD
Retailer 7HK$11,581 HKD
Retailer 15HK$11,774 HKD
Retailer 8HK$15,300 HKD
Retailer 11HK$15,646 HKD
Retailer 14HK$17,858 HKD
MOH LondonHK$24,972 HKD

38 data points across 17 retailers

16 retailersHK$5,477 HKD to HK$17,858 HKD

A
Cheapest Retailer
-
HK$5,477 HKD
$698 USD
B+
Retailer 2
-
HK$5,955 HKD
$759 USD
View
B+
Retailer 3
-
HK$6,348 HKD
$809 USD
View
Retailer 4
-
HK$6,348 HKD
$809 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
HK$6,591 HKD
$840 USD
View
B+
Retailer 6
-
HK$7,729 HKD
$985 USD
View
Retailer 7
-
HK$8,043 HKD
$1,025 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
HK$8,906 HKD
$1,135 USD
View
B
Retailer 9
-
HK$9,614 HKD
£965 GBP
View
B
Retailer 10
-
HK$10,318 HKD
$1,315 USD
View
B
Retailer 11
-
HK$11,581 HKD
$1,476 USD
View
Retailer 12
-
HK$11,774 HKD
£1,182 GBP
View
Price last confirmed 13 days ago
B
Retailer 13
-
HK$15,300 HKD
$1,950 USD
View
B
Retailer 14
-
HK$15,646 HKD
$1,994 USD
View
B
Retailer 15
-
HK$17,858 HKD
$2,276 USD
View
Most Expensive
MOH London
6492006652 · Oct 26
HK$24,972 HKD
£2,506 GBP
View
Price under review
15 more retailers have this diamond
Prices start from HK$5,477 HKDSave up to HK$12,382 HKD

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
HK$5,477 HKD