Radiant|Natural|GIA

0.99ct E SI2 Radiant Natural Diamond

ID • E/SI2 • GIA 3565674707

Certificate GIA 3565674707

Diamond specifications and retailer prices

From £1,338 GBP
SGD 2,407 SGD
As of October 29, 2026
Save £1,123 GBP (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,461 GBP at Helzberg Diamonds · As of October 28, 2026
View at Helzberg Diamonds

About this 0.99ct natural radiant diamond

This 0.99ct natural radiant sits in the just-under-one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565674707. Listed at 12 retailers as of October 28, 2026, with prices from £1,338 to £2,461, a £1,123 spread on the same certified stone. Helzberg Diamonds lists it at £2,461. 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

0.99
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3565674707
Dimensions6.56 × 5.02 × 3.47 mm
L/W Ratio1.31
Top View
6.56 mm5.02 mm0.99 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565674707
Side View
Table 69.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.0%

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: £2,461 GBP|Low: £1,361 GBP|High: £2,461 GBP|Avg: £1,719 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3£1,361 GBP
Retailer 7£1,374 GBP
Retailer 6£1,374 GBP
Retailer 11£1,495 GBP
Retailer 2£1,513 GBP
Retailer 8£1,641 GBP
Retailer 4£1,723 GBP
Retailer 10£1,770 GBP
Retailer 5£1,935 GBP
Retailer 9£2,244 GBP
Helzberg Diamonds£2,461 GBP

7 data points across 11 retailers

12 retailers£1,338 GBP to £2,461 GBP

A
Cheapest Retailer
-
£1,338 GBP
SGD 2,407 SGD
A
Retailer 2
-
£1,361 GBP
$1,813 USD
View
A
Retailer 3
-
£1,374 GBP
$1,829 USD
View
A
Retailer 4
-
£1,374 GBP
$1,830 USD
View
A
Retailer 5
-
£1,495 GBP
SGD 2,691 SGD
View
A
Retailer 6
-
£1,513 GBP
View
B+
Retailer 7
-
£1,641 GBP
$2,185 USD
View
B+
Retailer 8
-
£1,723 GBP
$2,295 USD
View
B+
Retailer 9
-
£1,770 GBP
$2,357 USD
View
B+
Retailer 10
-
£1,935 GBP
€2,454 EUR
View
B+
Retailer 11
-
£2,244 GBP
$2,988 USD
View
Most Expensive
B
Helzberg Diamonds
XZRJLMLMNKNGN · Oct 28
£2,461 GBP
$3,277 USD
View
11 more retailers have this diamond
Prices start from £1,338 GBPSave up to £1,123 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
0.99ct Radiant
£1,338 GBP