CaratHunter
Plans
Round|Lab Grown|GIA

1.77ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • GIA 3415624909

Certificate GIA 3415624909

Diamond specifications and retailer prices

From £307 GBP
$409 USD
As of October 29, 2026
Save £1,183 GBP (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,490 GBP 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3415624909. Listed at 15 retailers as of October 26, 2026, with prices from £307 to £1,490, a £1,183 spread on the same certified stone. MOH London lists it at £1,490. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 3415624909
Dimensions7.73 × 7.68 × 4.79 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.73 mm7.68 mm1.77 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3415624909
Side View
Table 57.0%Crown 36°Girdle: ThickPavilion 40.6°Culet: NoneDepth 62.2%

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: £1,490 GBP|Low: £295 GBP|High: £1,506 GBP|Avg: £680 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6£307 GBP
Retailer 8£381 GBP
Retailer 10£517 GBP
Retailer 2£569 GBP
Retailer 9£570 GBP
Retailer 3£614 GBP
Retailer 5£676 GBP
Retailer 7£901 GBP
Retailer 4£924 GBP
MOH London£1,490 GBP

42 data points across 10 retailers

15 retailers£307 GBP to £1,490 GBP

A
Cheapest Retailer
-
£307 GBP
$409 USD
A
Retailer 2
-
£344 GBP
$458 USD
View
A
Retailer 3
-
£381 GBP
$507 USD
View
A
Retailer 4
-
£381 GBP
$507 USD
View
A
Retailer 5
-
£423 GBP
HK$4,400 HKD
View
B+
Retailer 6
-
£517 GBP
$688 USD
View
B+
Retailer 7
-
£569 GBP
View
B+
Retailer 8
-
£570 GBP
$759 USD
View
B+
Retailer 9
-
£614 GBP
€779 EUR
View
B+
Retailer 10
-
£676 GBP
$900 USD
View
B+
Retailer 11
-
£704 GBP
$938 USD
View
B
Retailer 12
-
£901 GBP
$1,200 USD
View
B
Retailer 13
-
£924 GBP
$1,231 USD
View
B
Retailer 14
-
£1,224 GBP
$1,630 USD
View
Most Expensive
B
MOH London
3415624909 · Oct 26
£1,490 GBP
View
14 more retailers have this diamond
Prices start from £307 GBPSave up to £1,183 GBP

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
£307 GBP