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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 $895 SGD
$698 USD
As of October 29, 2026
Save $2,023 SGD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,079 SGD 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: $4,079 SGD|Low: $782 SGD|High: $4,263 SGD|Avg: $1,653 SGD|-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$895 SGD
Retailer 10$973 SGD
Retailer 16$1,037 SGD
Retailer 17$1,037 SGD
Retailer 5$1,077 SGD
Retailer 3$1,262 SGD
Retailer 13$1,314 SGD
Retailer 9$1,390 SGD
Retailer 4$1,455 SGD
Retailer 2$1,569 SGD
Retailer 6$1,685 SGD
Retailer 7$1,892 SGD
Retailer 15$1,923 SGD
Retailer 8$2,499 SGD
Retailer 11$2,556 SGD
Retailer 14$2,917 SGD
MOH London$4,079 SGD

37 data points across 17 retailers

16 retailers$895 SGD to $2,917 SGD

A
Cheapest Retailer
-
$895 SGD
$698 USD
B+
Retailer 2
-
$973 SGD
$759 USD
View
B+
Retailer 3
-
$1,037 SGD
$809 USD
View
B+
Retailer 4
-
$1,037 SGD
$809 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$1,077 SGD
$840 USD
View
B+
Retailer 6
-
$1,262 SGD
$985 USD
View
B+
Retailer 7
-
$1,314 SGD
$1,025 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
$1,455 SGD
$1,135 USD
View
B
Retailer 9
-
$1,569 SGD
£964 GBP
View
B
Retailer 10
-
$1,685 SGD
$1,315 USD
View
B
Retailer 11
-
$1,892 SGD
$1,476 USD
View
B
Retailer 12
-
$1,923 SGD
£1,182 GBP
View
Price last confirmed 12 days ago
B
Retailer 13
-
$2,499 SGD
$1,950 USD
View
B
Retailer 14
-
$2,556 SGD
$1,994 USD
View
B
Retailer 15
-
$2,917 SGD
$2,276 USD
View
Most Expensive
B
MOH London
6492006652 · Oct 26
$4,079 SGD
£2,506 GBP
View
Price under review
15 more retailers have this diamond
Prices start from $895 SGDSave up to $2,023 SGD

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
$895 SGD